The song is an audio with lyrics (obvious) that you listen to, while MP3 is the format of any song or audio. The movies or videos are in MP4 format. Please wait a moment and try again. If you want to enjoy songs in your native language, here you'll find the MP3 music of your choice.
This question will surely come to your mind if you haven't downloaded any Saregama MP3 songs yet. One of the reasons you may choose to download Saregama mp3 songs is the superior sound and recording quality.