The four disc set that makes up Rain or Shine contains 37 tracks and over four hours of music with both electric and acoustic versions of O.A.R. favorites 'Shattered' and 'That Was a Crazy Game of Poker.'

Also included in the CD set are two previously unreleased tracks, 'Tonight,' the first song the band ever wrote, as well as 'Rhythm of your Shoes.'

As a special bonus, the recording includes a cover of Led Zeppelin's 'Fool in the Rain' with guest musician Robert Randolph.