SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13D

(Rule 13d-2-101)

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13d-1(a) AND
AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(a)

(Amendment No. 6)¹

Regent Communications, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

 758865109  

(CUSIP Number)

Riley Investment Management LLC

Attn:  Bryant R. Riley

11100 Santa Monica Blvd.

Suite 810

Los Angeles, CA 90025

(310) 966-1445

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

December 7, 2007

(Date of Event which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition which is the subject of this Schedule 13D, and is filing this schedule because of Rule 13d-1(b)(3) or (4), check the following box: £

Note:  Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits.  See Rule 13d-7(b) for other parties to whom copies are to be sent.

(Continued on following pages)

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¹

The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

CUSIP No.  758865109  13D Page 2

1	NAME OF REPORTING PERSON S.S. OR IRS. IDENTIFICATION NO. OF ABOVE PERSON Riley Investment Partners Master Fund, L.P.
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a)  [   ] (b)  [X]
3	SEC USE ONLY
4	SOURCE OF FUNDS* WC
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)      [   ]
6	CITIZENSHIP OR PLACE OF ORGANIZATION Cayman Islands
NUMBER OF SHARES		7	SOLE VOTING POWER 1,790,099
BENEFICIALLY OWNED BY		8	SHARED VOTING POWER -0-
EACH REPORTING		9	SOLE DISPOSITIVE POWER 1,790,099
PERSON WITH		10	SHARED DISPOSITIVE POWER -0-
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 1,790,099
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES SHARES* [   ]
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 4.6%1
14	TYPE OF REPORTING PERSON* PN

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1

Based on 38,844,956 shares of common stock of Regent Communications, Inc. (the “Issuer”) outstanding at November 1, 2007, as reported in the Issuer’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2007 filed with the Securities and Exchange Commission on November 9, 2007.

CUSIP No.  758865109  13D Page 3

1	NAME OF REPORTING PERSON S.S. OR IRS. IDENTIFICATION NO. OF ABOVE PERSON Riley Investment Management LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a)  [   ] (b)  [X]
3	SEC USE ONLY
4	SOURCE OF FUNDS* AF
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)      [   ]
6	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES		7	SOLE VOTING POWER 1,790,0991
BENEFICIALLY OWNED BY		8	SHARED VOTING POWER 2,299,7842
EACH REPORTING		9	SOLE DISPOSITIVE POWER 1,790,0991
PERSON WITH		10	SHARED DISPOSITIVE POWER 2,299,7842
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 3,674,4842
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES SHARES* [X]
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 9.5%3
14	TYPE OF REPORTING PERSON* IA

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1

Because Riley Investment Management LLC has sole investment and voting power over 1,790,099 shares of Common Stock held by Riley Investment Partners Master Fund, L.P., Riley Investment Management LLC may be deemed to have beneficial ownership of these shares.

2

Riley Investment Management LLC has shared voting and dispositive power over 2,299,784 shares of Common Stock held by its investment advisory clients, 1,884,385 of which are held by investment advisory clients indirectly affiliated with Mr. Riley or the Riley Investment Partners Master Fund, L.P.  However, Riley Investment Management LLC disclaims beneficial ownership of the non-affiliated shares.

3

Based on 38,844,956 shares of common stock of Regent Communications, Inc. (the “Issuer”) outstanding at November 1, 2007, as reported in the Issuer’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2007 filed with the Securities and Exchange Commission on November 9, 2007.

CUSIP No.  758865109  13D Page 4

1	NAME OF REPORTING PERSON S.S. OR IRS. IDENTIFICATION NO. OF ABOVE PERSON Bryant R. Riley
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a)  [   ] (b)  [X]
3	SEC USE ONLY
4	SOURCE OF FUNDS* AF
5	CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)      [   ]
6	CITIZENSHIP OR PLACE OF ORGANIZATION United States
NUMBER OF SHARES		7	SOLE VOTING POWER 1,790,0991
BENEFICIALLY OWNED BY		8	SHARED VOTING POWER 2,299,7842
EACH REPORTING		9	SOLE DISPOSITIVE POWER 1,790,0991
PERSON WITH		10	SHARED DISPOSITIVE POWER 2,299,7842
11	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 3,674,4842
12	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES SHARES* [X]
13	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11) 9.5%3
14	TYPE OF REPORTING PERSON* IN

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1

Because Riley Investment Management LLC has sole voting and investment power over Riley Investment Partners Master Fund, L.P.’s security holdings, and Mr. Riley, in his role as the sole manager of Riley Investment Management LLC, controls its voting and investment decisions, each of Riley Investment Partners Master Fund, L.P., Riley Investment Management LLC, and Mr. Riley may be deemed to have beneficial ownership of the 1,790,099 shares of Common Stock held by Riley Investment Partners Master Fund, L.P.  

2

Riley Investment Management LLC has shared voting and dispositive power over 2,299,784 shares of Common Stock held by its investment advisory clients, 1,884,385 of which are held by investment advisory clients indirectly affiliated with Mr. Riley or the Riley Investment Partners Master Fund, L.P.  Although Mr. Riley controls Riley Investment Management LLC’s voting and investment decisions for its investment advisory clients, Mr. Riley disclaims beneficial ownership of the non-affiliated shares.

CUSIP No.  758865109  13D Page 5

3

Based on 38,844,956 shares of common stock of Regent Communications, Inc. (the “Issuer”) outstanding at November 1, 2007, as reported in the Issuer’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2007 filed with the Securities and Exchange Commission on November 9, 2007.

CUSIP No.  758865109  13D Page 6

Item 5.

Interest in Securities of the Issuer

Item 5(c) as previously filed is amended to add the following information:

(c)

The following are transactions effected by the other Reporting Persons in Common Stock that have taken place in the past 60 days:  

Master Fund	Trade Date	Trans Code	Quantity	Price
	11/20/2007	SL	(400,000)	2.125*
	11/21/2007	BY	14,100	2.0458
	11/23/2007	BY	12,000	1.9942
	11/26/2007	BY	10,300	2.0446
	12/7/2007	BY	500,000	1.5
Investment Advisory Clients	Trade Date	Trans Code	Quantity	Price
	10/16/2007	BY	153,091	2.42*
	11/9/2007	BY	307	2.2413
	11/9/2007	BY	493	2.2413
	11/12/2007	BY	3,536	2.2137
	11/12/2007	BY	5,664	2.2137
	11/13/2007	BY	17,294	2.1388
	11/13/2007	BY	27,706	2.1388
	11/20/2007	BY	400,000	2.125*

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*

Transactions between investment advisory clients and/or RIP

CUSIP No.  758865109  13D Page 7

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Date: December 11, 2007

Riley Investment Partners Master Fund, L.P.
	By: Riley Investment Management LLC, its General
	Partner
By:	/s/ Bryant R. Riley
	Bryant R. Riley, Managing Member

Riley Investment Management LLC
By:	/s/ Bryant R. Riley
	Bryant R. Riley, Managing Member
By:	/s/ Bryant R. Riley
	Bryant R. Riley