Crossword Puzzle Assent on the main deck

Clue: Assent on the main deck

Musical form with a main and contrasting themes (RONDO with 5 letters)
Main deck (TOPSIDE with 7 letters)
Onetime giant in decking (ALI with 3 letters)
Main theme (e.g. MOTIF with 5 letters)
Main Theban deity (AMON with 4 letters)
Assents on deck (AYES with 4 letters)
Cassette deck feature, and a hint to this puzzle's theme (AUTOREVERSE with 11 letters)
Jump online, or a hint to the long theme answers (GETCONNECTED with 12 letters)
Deck maintenance stuff (SEALER with 6 letters)
On the main deck (TOPSIDE with 7 letters)