"So Insane" is the second promo single from Smash Mouth's 2006 album, Summer Girl.
The promo single contains a radio edit of the song (for US radio) and the album version.
Without a music video, or promotion, the single never charted on Billboard's Top 100; however, it did reach position No.
25 on the US Adult Top 40 chart.
This 2000s pop song-related article is a stub.