Instrument with G

• Guitar

  Classic musical instrument; starts with G.

• Gong

  Real percussion instrument; starts with G.

• Grand Piano

  Type of piano; the phrase starts with G.

• Glockenspiel

  Famous percussion instrument; starts with G.

• Gongs
• Guitars

  Plural is fine; guitars are real instruments.

• Good
• Glass flute
• gaga

The words in the list Instrument with G come from players of the word game Categories game.