THESAURUS
scat
baloney, bel canto, bilge, blah, blah-blah, bop, bosh, bravura, bull, bullshit, bunk, bunkum, choral singing, coloratura, crap, croon, crooning, flapdoodle, folk singing, gas, guff, gup, hogwash, hokum, hooey, hot air, hum, humming, intonation, lyricism, malarkey, moonshine, operatic singing, piffle, poppycock, rot,
scat singing, shit, singing, sol-fa, sol-fa exercise, solfeggio, solmization, song, tommyrot, tonic sol-fa, tripe, vocal music, vocalization, warbling, wind, yodel, yodeling