melodious, tuneful

overloud, screechy, unmusical, unmelodic, rhythmless, toneless, cacophonous, melismatic, tuneful, clangorous, tinkly, cacophonic, warble, whiney, nasal twang, witless, lunkheaded, tinny, charmless, unmemorable, oompah, dirgelike, fortissimo, dissonant, adenoidal, uninventive, atonal, pitchy, insipid, quavery, discordant, unamusing, unoriginal, unbeautiful, shrill, unaffecting, sludgy, croaky, unentertaining, otiose, overfamiliar, unimaginative, chorded, turgid, brattish, somnambulistic, singsongy, dopier, untalented, uninspired, unenergetic, twee, goony, monotonous, folktronica, jangly, rubbishy, melodious, execrable, soulless, fuddled, hissy, uncreative, lumpish, brainless, unfunny, lumpen, skanking, obnoxious, pretentious, chucklesome, overlong, bathetic, squeaky, passionless, tearjerking, guttural, spastic, falsetto, vapid, characterless, artless, hurdy gurdy, moronic, sibilant, listenable, jauntier, spiritless, mirthless, unfocussed, hackneyed, soppy, naggy, growly, histrionic, pitchiness, treacly, vespertine, deafer, amateurish, kyrie eleison, plaintive, staccato, singsong, syncopated, dulcet, quavering, highpitched, bluesy, doleful, plangent, antiphonal, jazzy, lilting, pitched, sonorous

tunelessly

unmelodious, untuneful