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<SEC-DOCUMENT>0001072613-07-002020.txt : 20070827
<SEC-HEADER>0001072613-07-002020.hdr.sgml : 20070827
<ACCEPTANCE-DATETIME>20070827121019
ACCESSION NUMBER:		0001072613-07-002020
CONFORMED SUBMISSION TYPE:	N-PX
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20070630
FILED AS OF DATE:		20070827
DATE AS OF CHANGE:		20070827
EFFECTIVENESS DATE:		20070827

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MASSMUTUAL PARTICIPATION INVESTORS
		CENTRAL INDEX KEY:			0000831655
		IRS NUMBER:				043025730
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		N-PX
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-05531
		FILM NUMBER:		071080051

	BUSINESS ADDRESS:	
		STREET 1:		1500 MAIN STREET
		STREET 2:		SUITE 600
		CITY:			SPRINGFIELD
		STATE:			MA
		ZIP:			01115
		BUSINESS PHONE:		4132261000

	MAIL ADDRESS:	
		STREET 1:		1500 MAIN STREET
		STREET 2:		SUITE 600
		CITY:			SPRINGFIELD
		STATE:			MA
		ZIP:			01115

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MASSMUTUAL CORPORATE INVESTORS II
		DATE OF NAME CHANGE:	19880417
</SEC-HEADER>
<DOCUMENT>
<TYPE>N-PX
<SEQUENCE>1
<FILENAME>formn-px_15398.txt
<DESCRIPTION>FORM N-PX DATED AUGUST 27, 2007
<TEXT>
================================================================================

                       SECURITIES AND EXCHANGE COMMISSION
                              Washington, DC 20549

                               -------------------
                                    FORM N-PX
                               -------------------

          ANNUAL REPORT OF PROXY VOTING RECORD OF REGISTERED MANAGEMENT
                               INVESTMENT COMPANY

                  Investment Company Act file number 811-05531

                               -------------------

                       MassMutual Participation Investors
               (Exact name of registrant as specified in charter)

                               -------------------

                                1500 Main Street
                                   Suite 1100
                              Springfield, MA 01115
               (Address of principal executive offices) (Zip code)
- --------------------------------------------------------------------------------
                 Rodney J. Dillman, Vice President and Secretary
               1500 Main Street, Suite 2800, Springfield, MA 01115
- --------------------------------------------------------------------------------
                     (name and address of agent for service)

                         Registrant's telephone number,
                        including area code: 413-226-1000

                      Date of fiscal year end: December 31

             Date of reporting period: July 1, 2006 - June 30, 2007
================================================================================
<PAGE>

ITEM 1. PROXY VOTING RECORD

DIRECTED ELECTRONICS, INC.

Ticker:       DEIX           Security ID:  254575103
Meeting Date: JUN 8, 2007    Meeting Type: Annual
Record Date:  APR 20, 2007

#      Proposal                              Mgt Rec     Vote Cast    Sponsor

1.1    Elect Director Victor J. Orler        For         For          Management
1.2    Elect Director S. James Spierer       For         For          Management
2.     Amend Omnibus Stock Plan              For         For          Management
3.     Ratify Auditors                       For         For          Management
- --------------------------------------------------------------------------------
<PAGE>

                                   SIGNATURES
                           [See General Instruction F]

     Pursuant to the requirements of the Investment Company Act of 1940, the
registrant has duly caused this report to be signed on its behalf by the
undersigned, thereunto duly authorized.

(Registrant) MassMutual Participation Investors


By (Signature and Title)* /s/ Clifford M. Noreen
                          --------------------------------
                          Clifford M. Noreen, President


Date: August 27, 2007
      --------------------

* Print the name and title of each signing officer under his or her signature.
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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