Alternate music on the title screen will become unlocked when you complete the Sanctuary Time Attack under the indicated time requirement. An alternate character sprite as your menu cursor will also become unlocked.

Running Hell music / Curly Cursor:
Under 6 minutes.

Safety music / Sue Cursor:
Under 3 minutes.

Toroko's Theme Music / Toroko Cursor:
Under 5 minutes

White Music / King Cursor:
Under 4 minutes.