Check the appropriate box to designate the rule pursuant to which this Schedule is filed(

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.

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1	NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NO. OF ABOVE PERSON (ENTITIES ONLY) Colburn Music Fund
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) x (b) o
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION California
NUMBER OF SHARES		5	SOLE VOTING POWER 7,310,787
BENEFICIALLY		6	SHARED VOTING POWER 0
OWNED BY EACH REPORTING		7	SOLE DISPOSITIVE POWER 7,310,787
PERSON WITH		8	SHARED DISPOSITIVE POWER 0
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 7,310,787
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES o
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 9.0%
12	TYPE OF REPORTING PERSON CO

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ITEM 1.

(a)

Name of Issuer: United Rentals, Inc.

(b)

Address of Issuer’s Principal Executive Offices:

Five Greenwich Office Park

Greenwich, CT 06831

ITEM 2.

(a)

Name of Person Filing: Colburn Music Fund

(b)

Address of Principal Office:

1000 Wilshire Boulevard

Suite 340

Los Angeles, California 90017

(c)

Citizenship: California

(d)

Title of Class of Securities: Common Stock

(e)

CUSIP Number: 911363109

ITEM 3.

If this statement is filed pursuant to §§240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:

(a)

o Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).

(b)

o Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

(c)

o Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c)

(d)

o Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).

(e)

o An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E).

(f)

o An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F).

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(g)

o A parent holding company or control person in accordance with §240.13d-1(b)(1)(ii)(G).

(h)

o A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813).

(i)

o A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3).

(j)

o Group, in accordance with §240.13d-1(b)(1)(ii)(J).

ITEM 4.

Ownership

Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.

(a)

Amount beneficially owned:

7,310,787

(b)

Percent of class:

9.0%

(c)

Number of shares as to which the person has:

(i)

Sole power to vote or to direct the vote:

7,310,787

(ii)

Shared power to vote or to direct the vote:

(iii)

Sole power to dispose or to direct the disposition of:

7,310,787

(iv)

Shared power to dispose or to direct the disposition of:

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ITEM 5.

Ownership of Five Percent or Less of a Class

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following o.

ITEM 6.

Ownership of More than Five Percent on Behalf of Another Person

Not Applicable

ITEM 7.

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person.

Not Applicable

ITEM 8.

Identification and Classification of Members of the Group

Not Applicable

ITEM 9.

Notice of Dissolution of the Group

The group consisting of Colburn Music Fund and The Colburn School was dissolved on April 26, 2006.

ITEM 10.

Certification

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.

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.

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Page 6 of 6 Pages

Dated: February 1, 2007

COLBURN MUSIC FUND

/S/ EUGENE KRIEGER

Name:

Eugene I. Krieger

Title:

President