Related Clues:

• Type of bicycle
• Pop music's 'N __
• Cause to coincide
• (In) single file
• Concert
• Out of ___ (not harmonizing)
• Together (with ''in'')
• Set to the same time
• Match audio and video
• Bike for two
• In __ (together)
• Type of singing
• Cause to coincide (Abbr.)
• Perfect rapport
• Type of bike