Makemusic (MMUS) 10-Q 2012 Q2 Quarterly report

Exhibit 32.1

CERTIFICATION PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of MakeMusic, Inc. (the “Company”) on Form 10-Q for the three months ended June 30, 2012 as filed with the Securities and Exchange Commission (the “Report”), I, Karen L. VanDerBosch, principal executive officer and principal financial officer of the Company, certify, pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that:

1. The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

August 10, 2012
	/s/ Karen L. VanDerBosch
	Karen L. VanDerBosch, Chief Financial Officer and Chief Operating Officer (Principal Executive Officer and Principal Financial Officer)