___ musicals (genre that's this puzzle's theme)
Else clues• Hydrogen ___: Glass opera
• Bar fixture
• Classic diner feature
• Diner music maker
• It allows you to pick a number
• Nickelodeon, e.g.
• Nickelodeon, for one
• Pay-per-play device
• Singles player
• Target of Fonzie's fist bumps
• What shouldn't be rocked, in an Alan Jackson album title
• Where some CDs are kept
• Wurlitzer
• Wurlitzer product
• A cabinet containing an automatic record player
• Records are played by inserting a coin