Exhibit 10.3

EXECUTION COPY

FIRST SUPPLEMENTAL INDENTURE

Dated as of February 14, 2011

Among

LIVE NATION ENTERTAINMENT, INC.,

CAREER ARTIST MANAGEMENT LLC,

The Existing Guarantors Party Hereto

And

THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A.,

as Trustee

THIS FIRST SUPPLEMENTAL INDENTURE (this “First Supplemental Indenture”), entered into as of February 14, 2011, among LIVE NATION ENTERTAINMENT, INC., a Delaware corporation (the “Issuer”), the guarantors listed in Appendix I attached hereto (the “Existing Guarantors”), CAREER ARTIST MANAGEMENT LLC, a Delaware limited liability company (the “New Guarantor,” and together with the Existing Guarantors, the “Guarantors”), and THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., as trustee (the “Trustee”).

RECITALS

WHEREAS, the Issuer, the Existing Guarantors and the Trustee are parties to an Indenture, dated as of May 6, 2010 (the “Indenture”), relating to the Issuer’s 8.125% Senior Notes due 2018 (the “Notes”);

WHEREAS, Section 4.13 of the Indenture requires the Issuer to cause each Domestic Subsidiary that is not a Guarantor under the Notes but becomes a guarantor under a Credit Facility to execute and deliver to the Trustee a supplemental indenture pursuant to which such Domestic Subsidiary shall unconditionally guarantee all of the Issuer’s obligations under the Indenture and the Notes;

WHEREAS, the Issuer desires to amend the Notes pursuant to Section 9.01 of the Indenture to reflect the addition of the New Guarantor;

WHEREAS, pursuant to Section 9.01 of the Indenture, the Issuer, the Guarantors and the Trustee can execute this First Supplemental Indenture without the consent of holders;

WHEREAS, all things necessary have been done to make this First Supplemental Indenture, when executed and delivered by the Issuer and the Guarantors, the legal, valid and binding agreement of the Issuer and the Guarantors, in accordance with its terms; and

NOW, THEREFORE, in consideration of the premises and mutual covenants herein contained and intending to be legally bound, the parties to this First Supplemental Indenture hereby agree as follows:

ARTICLE I

Section 1.1 Capitalized Terms. Capitalized terms used herein and not otherwise defined herein are used as defined in the Indenture.

Section 1.2 Agreement to Guarantee. The New Guarantor hereby agrees to guarantee the Issuer’s obligations under the Notes on the terms and subject to the conditions set forth in Article 10 of the Indenture. From and after the date hereof, the New Guarantor shall be a Guarantor for all purposes under the Indenture and the Notes.

Section 1.3 Incorporation of Terms of Indenture. The obligations of the New Guarantor under the Guarantee shall be governed in all respects by the terms of the Indenture and shall constitute a Guarantee thereunder. The New Guarantor shall be bound by the terms of the Indenture as they relate to the Guarantee.

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ARTICLE II

Section 2.1 Amendment of the Notes. Any corresponding provisions reflected in the Notes shall also be deemed amended in conformity herewith.

Section 2.2 Effectiveness of Amendments. This First Supplemental Indenture shall be effective upon execution hereof by the Issuer, the Guarantors and the Trustee.

Section 2.3 Interpretation; Severability. The Indenture shall be modified and amended in accordance with this First Supplemental Indenture, and all the terms and conditions of both shall be read together as though they constitute one instrument, except that, in case of conflict, the provisions of this First Supplemental Indenture will control. The Indenture, as modified and amended by this First Supplemental Indenture, is hereby ratified and confirmed in all respects and shall bind every holder of Notes. In case of conflict between the terms and conditions contained in the Notes and those contained in the Indenture, as modified and amended by this First Supplemental Indenture, the provisions of the Indenture, as modified by this First Supplemental Indenture, shall control. In case any provision in this First Supplemental Indenture shall be invalid, illegal or unenforceable, the validity, legality and enforceability of the remaining provisions shall not in any way be affected or impaired thereby.

Section 2.4 Governing Law. This First Supplemental Indenture shall be governed by and construed in accordance with the laws of the State of New York.

Section 2.5 Counterparts. This First Supplemental Indenture may be signed in various counterparts which together will constitute one and the same instrument.

Section 2.6 Effect of Headings. The Section headings herein are for convenience only and shall not effect the construction hereof.

Section 2.7 Trustee. The recitals contained herein are made by the Issuer and the Guarantors, and not by the Trustee, and the Trustee assumes no responsibility for the correctness thereof. The Trustee makes no representation as to the validity or sufficiency of this First Supplemental Indenture. All rights, protections, privileges, indemnities and benefits granted or afforded to the Trustee under the Indenture shall be deemed incorporated herein by this reference and shall be deemed applicable to all actions taken, suffered or omitted by the Trustee under this First Supplemental Indenture.

[Signature Pages Follow]

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IN WITNESS WHEREOF, the parties hereto have caused this First Supplemental Indenture to be duly executed as of the date first above written.

Signature Page to First Supplemental Indenture

Signature Page to First Supplemental Indenture

Signature Page to First Supplemental Indenture

Signature Page to First Supplemental Indenture

Signature Page to First Supplemental Indenture

Signature Page to First Supplemental Indenture

APPENDIX I

Existing Guarantors

Appendix I

Appendix I

Appendix I

Appendix I