Longest MP3(song) you have

[VirusDub]

Stravinsky - Rite of Spring, 33 minutes.

 

[nord1899]

Longest "Song" would be Arlo Guthrie - Alices Resturant (The Massacre) at 22:26.
The longest MP3 would be Paul Oakenfold - Live in China/Shanghai at 2:02:12.