musicians

@allenwentz - eclectic electronic avantpop ambient music maker.
@alunvaughan - bassist and web enthusiast,
@AndyW_Audio - musician, songwriter & mixing/mastering engineer
@asunproject - electronic music maker.
@AtmosTrio - full time guitar geek.
@audiojustice - Guitarist/songwriter/singist
@bobboulding - a world class guitarist, a Young Dubliner, and a dear friend.
@bootslam - programmer, producer, writer, musician
@CrazyComposer - composer and author.
@dbproductionLtd - composer, producer, electronic musician.
@dustmotes - composer and recording artist.
@eclifton123 - musician & recording enthusiast.
@eschnack - composer & acoustic guitarist
@fripptastic - ambient & experimental music maker.
@innerlightmusic - musician & producer.
@JenniPinnock - composer, editor, teacher and gamelan player.
@LeahKardos - composer & lecturer.
@LouisePalanker - songwriter and iPhone app creator.
@mattstevensloop - musician, writer and social media nerd
@mikecrain - performer-composer, sound designer, and tweet nerd.
@napadude - composer
@nordmach - composer, synth/sofware/MAC guy. And a Canadian.
@peterdines - Reaktor instrument builder, musician, programmer, field recordist
@ProfKarp - electronic music maker.
@quiztones - drummer, producer, web entrepreneur, & http://www.theProAudioFiles.com
@rawktron - music maker & game maker
@Roblord - musician and composer.
@RussBass - musician and composer.
@GreatSpiral - composer and musician.
@siggidori - Icelandic musician and bassist.
@sonicdeviant - eclectic music maker
@srm1138 - Noise-maker, scribbler, nuisance with a camera, tinkerer and human.
@stevenjwhite - scoring, sound deisgner, and audio
@tonylocar - bassist and engineer
@vonbrucken - musician, singer, and composer.

engineers/producers

@allenwagner - self proclaimed music recording studio nut.
@aaroncsound - engineer & producer
@bobbyowsinski - producer, author, music and technology consultant
@bscheuble - recording and mix engineer.
@davidpye - recording engineer and record producer.
@dmlandrum - engineer, musician, composer
@finleysound - mixing and mastering engineer
@GPMixing - engineer & mixer.
@hachaduryan - recording, mixing, & live sound engineer.
@HansDekline - mastering engineer and music biz consigliere
@ianshepherd - mastering engineer, dvd and blu-ray author
@JasonMiller0607 - producer, engineer, mixer
@JimCravero - grammy nominated producer & engineer
@KatieTavini - engineer
@JoelHamiltone - producer, engineer, musician
@LifelessOne - tech geek, engineer, drummer, producer
@lobbyshifter - producer, engineer, musician, hardware sampler enthusiast.
@Mikehillier - freelance sound engineer and music technology journalist
@patch_morrison - sound editor, re-recording mixer, general film sound geek.
@pure_tone - audio mastering engineer who fights for dynamics.
@RandyCoppinger - lover of microphones and coffee
@RonanCMurphy - eclectic record producer, mix engineer, and musician.
@RyanCanestro - music producer, studio owner, and http://www.homerecordingshow.com/
@SlauBeSharp - studio owner, engineer, and http://www.sessionswithslau.com
@studiodog - producer, engineer, drummer w/Smashing Pumpkings and more.
@theaudiogeek - producer, engineer, and http://audiogeekzine.com/ @Tobin_Jones - engineer @YuvalGerstein - producer, engineer, and http://audiogeekzine.com/

sound design

@bryanjerden - sound designer
@chuck_russom - sound designer
@DiegoStocco - creative deconstructivist cellist and sound designer.
@iluvsounddesign - the best sound design related tweets
@JordanFehr - sound designer
@lostlab - video game noise maestro
@syncsounds - sound editor & foley artist.

music production tips

@audioissues - audio production tips and tricks tweets about
@CreateMusicTips - excellent music production tips and tricks.
@WinkSound - tutorials & videos about music production.
@PuremixOnline - mixing, recording, and producing tutorials & tips
@RainRecording - lots of music production tips and retweets
@logicprohelp - Logic Pro related tweets
@logicprohq - more Logic Pro related tweets

gear

@recordinghacks - microphone expert, drummer and runs http://recordinghacks.com/
@jzmic - incredible microphone manufacturer from Latvia.
@AESorg - the audio engineering society
@rekkerd - music gear blogger

visuals

@ArtoftheTitle - stunning resource of film and television title design
@_tagillphoto_ - photographer with great tweets, quips, and she gave me a #highfive once.
@PhotoDivaLV - photographer
@zoramae8 - illustrator of robots

more

@MsInformation - blogger, designer, media
@David_Gergen - commentator & author with a passion about politics and the world.
@CMcGo - Blogger and musician.
@nicolesandler - dj, radio talk show host, friend to indie artists and musicians.
@saratea - dj, artist, mini comic maker
@johncusack - famous and subversive.
@artwiculate - a twitter-based Word of the Day competition @Shedletsky - creative director,game developer, and designer