Successor comprises some live versions of Sonata Arctica's songs, an edited version of the song "FullMoon" from the full length albumEcliptica, two new songs and two cover songs from German bands.
The cover songs, which also appear in the Takatalvi EP, are:
The two songs composed for the album are the acoustic ballad "Shy" (originally an upbeat hard rock demo song from when the band were still called Tricky Means) and "San Sebastian", that was re-released on the 2001 album Silence (this song was to be released in Ecliptica, but the band chose to release it on this EP).