Related Clues:

• Make up lines
• Off-the-script comment
• Jazz bit
• Seat-of-the-pants performance
• Wing it, in a way
• Impromptu
• Go off the script
• Spontaneous
• Forgo the script
• Not practiced
• Take off (on)
• Seat-of-the-pants schtick
• Jazzman's lick
• Stray from the script
• It's made off-the-cuff