Conversation so far:
what year did Motion City Soundtrack have success?
In 2003 the Motion City Soundtrack visited the United Kingdom for the first time while on tour with Sugarcult, followed by performing at Warped Tour 2003 altering signing with Epitaph Records.
what song was Motion City Soundtrack's breakthrough hit?
Lead single Everything Is Alright became Motion City Soundtrack's signature song.
is there anything else noteworthy about Motion City Soundtrack's Everything is Alright?
Pierre noted that fans have told him that they find Commit This to Memory a winter album, to which he agrees, noting the unintentional mention of the new year.
were Motion City Soundtrack well-received in the UK?
In the first three months following My Dinosaur Life's release, Motion City Soundtrack continued to tour heavily in the UK.

Question: when was their last success?
Self-contained rewrite: when was Motion City Soundtrack's last success?