<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>benson.txt
<TEXT>







SEC Form 3, Form 4 and Form 5 and Application for EDGAR Access
(Form ID) Confirmation of Authority to Sign

Pursuant to Instruction 7 to SEC "Form 3 - Initial Statement
of Beneficial Ownership of Security," "Form 4--Statement of
Changes in Beneficial Ownership" and "Form 5 - Annual Statement
of Beneficial Ownership of Securities" the undersigned, being a
Trustee of MassMutual Corporate Investors and MassMutual
Participation Investors (each, a "Trust"), hereby appoint and
designate Sara Stinson, Mark Godin, Melissa Busso, Ruth Howe,
Ann Malloy and Melissa LaGrant and each of them singly, my true
and lawful power of attorney with full power to (a) apply for
access to the EDGAR filing system in my name and (b) sign for
me and file with the Securities and Exchange Commission, the
New York Stock Exchange and the Trust said SEC Forms 3 4 and/or
5 with respect to shares of the Trust purchased or sold by the
undersigned or any other change of beneficial ownership relating
to equity or derivative securities of the Trust required to be
reported by the undersigned.

This authorization shall remain in effect until a written
revocation is executed by the undersigned and filed with the
Securities and Exchange Commission.



Signature and Date:                      October 18, 2007
                 -----------------------------------------

Name:    Donald E. Benson
Title:   Trustee of MassMutual Corporate Investors
         and MassMutual Participation Investors


















</TEXT>
</DOCUMENT>
