verb

make a shrill howling or wailing noise like that of a cat.

he seems to think that singing soulfully is to whine and caterwaul tunelessly

howl,wail,bawl,cry,yell,scream,screech,yelp,yowl,squall,whine,meow,ululate,howling,wailing,screeching,shriek,shrieking,screaming,bawling,crying,yelling,yelping,yowling,squalling,whining,ululating,meowing