Simple categories matching pitched:

• signal,
• instrument,

Members with property pitched:

• vibes,
• xylophone,
• resonator_bell,
• tuba,
• piano,
• flute,
• keyboard,
• bass,
• mallet_instrument,
• violin,
• glockenspiel,
• bassoon,
• voice,
• voice_signal,
• mandolin,
• soprano_recorder,
• monophonic_music,
• handbell,
• small_flute,
• vibraphone,
• speech,
• guitar,
• saxophone,
• apache_fiddle,
• marimba,
• soprano_psaltery,
• cello,
• trumpet,
• recorder,
• cowbell,
• triangle,
• baritone,
• bell,
• concertina,
• dulcimer,
• alto_clarinet,
• musical-instrument_sound,