Related Clues:

• Parallel to
• "Sing ___ With Mitch"
• See 66-Across
• On board
• By the way
• 'I knew it all ___!'
• Word with tag or string
• ''Moving right ___ ...''
• For company
• ''Merrily we roll ___''
• In addition, with "with"
• In the course of
• ''Moving right __ . . .''
• Go -- for the ride
• Go __ (agree)