The communities on Steemit are getting bigger by the day, and can't say anything different when it comes to Music. The music communities are growing rapidly and if you're a musician, it would be very beneficial to join these communities and build relationships. Here are some music communities making noise on the Steemit Platform
Dsound - Decentralized Sound Platform
Admins: @Prc
Discord: https://discord.gg/hUxubn
Discord Key
- Community - They have suggestions room for their player and server. A support room for any technical difficulties with your IPFS settings and uploading. A promo room for submitting your dsound tracks (once every 24hrs)
- Curation - A submit room (once a week) for dsound curators to preview. A Wall of Shame for reporting plaguarism.
- Creators Chat - Several different genre rooms to network.
Steem Music Alliance - SMA is a community-based network resource. We offer the opportunity for people to engage, collaborate, and grow.
Admins: 
@seveaux, 
@chiefmappster, 
@macchiata
Discord: https://discord.gg/cvMGt9H
Discord Key Features:
- SMA Main - You can find lyrics for songs, there's a room for artists to collaborate, a "spitting fire" room if you wanna vent, a music-today room for today's music, and last but not least the Record Pool, curating music and earning.
- SMA Radio Channels - They have a radio show hosted by @D-Vine (Needle on Your Record) with co-hosts
@onemedia that airs in the SMA discord once a week
- The Kitchen (Contests) - A Variety of music contests from beat battles to poetry its all here. If you're looking to get into any contests on Steemit, this would be the first place to check
- Producer Academy - A forum, production tutorials, and a room for Block Mountain
- Post Promotion
Block Mountain - ᴄᴏᴍᴍᴜɴɪᴛʏ ʙᴀsᴇᴅ ʙʟᴏᴄᴋᴄʜᴀɪɴ ᴍᴜsɪᴄ ᴘʀᴏᴊᴇᴄᴛs
Admins: @DJLethalskillz, @Scuzzy
Discord: https://discord.gg/wjBuxQ
Discord Key features:
- Post Promotion - This server is fairly new so post promotion is the only thing available in their discord
Hip Hop The Blockchain - Bridging The Gap Between Hip Hop & The Blockchain
Admins: 
@vandigital, 
@djlethalskillz
Discord: https://discord.gg/5k5b2s
Discord Key Features
- Emcee - A cypher room and discussion forum for emcees
- Dj - Discussion, Mixes.
- Beats - A Vibe room, a For-Sale room to sale your beats
- Graffiti - A Photo room, Writers room
The Smart Media Group - SMG's vision is to be a decentralized movement to come together collectively between communities and become a content media powerhouse.
Formerly was the Five Star Entertainment Community Discord server and now will be part of a new bigger initiative
Admins: @Bitcoinparadise, @Gyzimo
Discord: https://discord.gg/hE2DsP
Discord Key Features
- Bumper Upvote Service - An upvote bot designed to give profitable returns within a day or two.
- Five Star Entertainment - A record label on the Steem Blockchain
- Music - Listen and Play music via the Swagger Bot
- Sureshot Upvote Bot - Sureshot Bot has an initiative to raise funds for artists with a portion of the bids from their bot
- Steem - Swagger premium upvote for active discord members.
Atom Collector
Musician & promotor of independent artists
Admins: @Atomcollector
Discord Key Features
Indie Tokens - Indie tokens incentivize the listener, by listening to specific music links, you earn Indie Tokens which can be traded for Bitshares
Music Voter - A curation trail that supports indie artists by upvoting and receiving payouts from Delegations
Promo - Promote all music links from all social media platforms across the board within the specific rooms
For The Love of Bands
Admins: N/A
Discord Key Features:
- Steemit - Promote your tagged posts, your contests, your daily dsound and dtube posts.
- Indie Token Related - Earn indie tokens for completing specific taskes in the room.
Artzone - Promoting Original FineArt / Music / Standup / Improve Comedy on STEEM. Add #artzone tag - receive an upvote!
Discord: https://discord.gg/ZCu9nc
Admins: N/A
Discord Key Features
- So you think you can curate - Ask to be a part of the team and become a curator
- Post Up - Post your steemit posts and network
ITalent - Competition Both Performed And Judged By The Artists
Discord - https://discord.gg/dsQQ8Z
Discord Key Features - (N/A)
ITalent is mainly a talent contest but also has a discord for registration and networking purposes. Visit 
Any other communites with Discords that support Musicians feel free to let us know!!!
Follow @music-trail
Music Trail is part of the @SteemTrail project that curates Music Artists on Steemit.