Amazon.com has an audio clip of "Your Heart Belongs To Me" by The Supremes on the album listed below. To listen to this clip, click on the album name and you will be taken to a CD product web page with a list of album tracks linked to song clips.
Anthology  - Diana Ross & the Supremes - Universal (2 CDs)The Amazon.com MP3 Store also has a clip of the above song on the album listed below. Click on the album name and you will be taken to a list of mp3 album tracks with audio samples that include the above song.
Anthology - The Supremes