THESAURUS
catchy
achingly sweet, agreeable, agreeable-sounding, appealing, ariose, arioso, beguiling, broken, canorous, cantabile, capricious, careening, choppy, deceiving, deceptive, delusive, delusory, desultory, deviative, disconnected, discontinuous, dubious, dulcet, eccentric, erratic, euphonic, euphonious, euphonous, fallacious, false, fine-toned, fishy, fitful, flickering, fluctuating, golden, golden-tongued, golden-voiced, guttering, hallucinatory, halting, herky-jerky, heteroclite, honeyed, illusive, illusory, immethodical, inconstant, intermittent, intermitting, irregular, jerky, lurching, melic, mellifluent, mellifluous, mellisonant, mellow, melodic, melodious, misleading, music-flowing, music-like, musical, nonuniform, on-again-off-again, patchy, pleasant, pleasant-sounding, questionable, rambling, rich, rough, scrappy, silver-toned, silver-tongued, silver-voiced, silvery, singable, snatchy, songful, songlike, sonorous, spasmatic, spasmic, spasmodic, spastic, sporadic, spotty, staggering, sweet, sweet-flowing, sweet-sounding, trickish, tricksy, tricky, tunable, tuneful, uncertain, unequal, uneven, unmethodical, unmetrical, unregular, unrhythmical, unsettled, unsteady, unsystematic, variable, veering, wandering, wavering, wobbling, wobbly