Crossword Puzzle Share evenly

Clue: Share evenly

Gush (over) ... or sounds shared by the answer to each starred clue (OOHANDAAH with 9 letters)
Top-billing sharer (COSTAR with 6 letters)
How some shares are purchased (ATPAR with 5 letters)
Share fifty-fifty (HALVE with 5 letters)
Evenly arranged musical composition for two? (BALANCEDDUET with 12 letters)
Shared airs (DUETS with 5 letters)
Shareholder's goal (GAIN with 4 letters)
Some limo sharers (PROMDATES with 9 letters)
Portfolio shares (STOCK with 5 letters)
Fair share (e.g. DUE with 3 letters)