Simple categories matching orchestral:

• item,
• instrument,
• instrumentation,
• device,
• tone,
• music,
• part,
• woodwind,
• production,
• equipment,
• works,

Members with property orchestral:

• drum,
• solo_violin,
• flute,
• violin,
• cymbal,
• clarinet,
• cello,
• mozart_requiem,
• gong,
• cello_concerto,
• oboe,
• bell,
• brahms,
• sounder_round,
• electric_guitar,
• organ,
• triangle,
• harp,
• timpani,
• maraca,
• trumpet,
• bassoon,
• piano,
• opera,
• viola,
• xylophone,
• woodwind,
• chamber_works,
• contrabassoon,
• reed,
• dance,
• chime,
• haydn_creation,
• full_drum,
• tuba,
• african_drum,
• french_horn,
• wagner_opera,
• extract,
• banjo,
• symphonic_dance,
• guitar,
• cowbell,
• saxophone,
• bass,
• water_music,
• trombone,
• tympani,
• harpsichord,
• string,
• stravinsky,
• string_instrument,
• kettledrum,
• horn,
• wind,
• brass,
• euphonium,
• piccolo,
• brahms_requiem,
• cornet,