THESAURUS
Trill
Bebung, anthem, babble, ballad, bubble, burble, cackle, call, carol, caw, chant, chatter, cheep, chirk, chirp, chirr, chirrup, chitter, choir, chorus, chuck, clack, cluck, cock-a-doodle-doo, coo, croak, cronk, croon, crow, cuckoo, descant, distill, do-re-mi, dribble, drip, drop, drum, falter, flutter, gabble, gaggle, gobble, guggle, gurgle, honk, hoo, hoot, hum, hymn, intonate, intone, lap, leak, leak out, lilt, minstrel, peep, pip, pipe, plash, psalm, purl, quack, quaver, quiver, ripple, roll, roulade, scold, serenade, shake, sing, sing in chorus, slosh, sol-fa, solmizate, splash, squawk, swash, swish, tremble, tremolando, tremolant, tremolo, tremor, trickle, trillet, trilleto, trillo, troll, tweedle, tweedledee, tweet, twit, twitter, vibrato, vocalize, warble, wash, weep, whistle, yodel
ROGET THESAURUS
Trill
River
VB
flow, run, meander, gush, pour, spout, roll, jet, well, issue, drop, drip, dribble, plash, spirtle, trill, trickle, distill, percolate, stream, overflow, inundate, deluge, flow over, splash, swash, guggle, murmur, babble, bubble, purl, gurgle, sputter, spurt, spray, regurgitate, ooze, flow out, rain hard, rain in torrents, rain cats and dogs, rain pitchforks, pour with rain, drizzle, spit, set in, mizzle, flow into, fall into, open into, drain into, discharge itself, disembogue, pour, pour out, shower down, irrigate, drench, spill, splash, stanch, dam, up, obstruct.
Roll
VB
roll, drum, rumble, rattle, clatter, patter, clack, bombinate, hum, trill, shake, chime, peal, toll, tick, beat, drum in the ear, din in the ear.
Ululation
VB
cry, roar, bellow, blare, rebellow, growl, snarl, bark, bow-wow, yelp, bay, bay at the moon, yap, yip, yipe, growl, yarr, yawl, snarl, howl, grunt, gruntle, snort, squeak neigh, whinny, bray, mew, mewl, meow, purr, caterwaul, pule, baa, bleat, low, moo, troat, croak, peep, coo, gobble, quack, honk, gaggle, guggle, crow, caw, squawk, screech cackle, cluck, clack, chuck, chuckle, hoot, hoo, chirp, cheep, chirrup, twitter, cuckoo, warble, trill, tweet, pipe, whistle, hum, buzz, hiss, blatter, ratatat.
Musician
VB
play, pipe, strike up, sweep the chords, tweedle, fiddle, strike the lyre, beat the drum, blow the horn, sound the horn, wind the horn, doodle, grind the organ, touch the guitar, thrum, strum, beat time, execute, perform, accompany, sing a second, play a second, compose, set to music, arrange, sing, chaunt, chant, hum, warble, carol, chirp, chirrup, lilt, purl, quaver, trill, shake, twitter, whistle, sol-fa, intone, have an ear for music, have a musical ear, have a correct ear.