Complete the indicated task to unlock the corresponding song.

Aura Lee (Samba): Score at least 90 points on all instruments on Aura Lee (Music Box) in Master mode.
Credits: Earn a "6 Star" rank in Today's Gig mode.
Fur Elise (Rock): Score at least 90 points on all instruments on Fur Elise in Master mode.
Humoresques (Technopop): Score at least 90 points on all instruments on Humoresques (Folk) in Master mode.
Sinfonie No.5 (R&B): Score at least 90 points on all instruments on Sinfonie No. 5 in Master mode.
Theme Of Barbara the Bat: Earn a "10 Star" rank in Today's Gig mode.