Music Hack Day NYC was held this weekend in New York, NY.

The events are an opportunity for music geeks to get together and create new hacks, combining music + software + mobile + hardware + art + the web. For example, PatternSketch, shown above, is an HTML5 and Javascript audio sequencer and drum machine.

There were 72 new hacks at the NYC 2011 Music Hack Day:

• 1 – Stringer – A virtual string instrument drawn in the air that’s played using the Kinect, by one or more people.
• 2 – Callaboroake – Sing with friends to record different parts of a song over the phone.
• 3 – Tunes for Web-based IM Clients – Implements the User Tune standard for XMPP, with the currently playing track provided by last.fm.
• 4 – Screaminator – A scream detector for your iOS devices.
• 5 – Video Nest – A music video discovery / radio hack (like pandora with video), mostly powered by the EchoNest API.
• 6 – ymitri.webmusic – Access your entire music collection from anywhere via the browser (plus simplified library and playlist sharing). Uses the open sourced front end of the SoundCloud webapp “The Cloud Player”.
• 7 – ChatMusic.me – Facebook Chat enhanced with Music search and share capabilities – Search for tracks in YouTube right from your Chat Tab,listen to music while you browse the Facebook domain. Save playlists, BROWSE and PLAY your friends playlists.
• 8 – Gigbeat – Android application that uses the Songkick API to display upcoming shows for artists in the users music library, search, notification, etc. – “Can’t present this afternoon”
• 9 – JSONloops by Team Nodejitsu – An open-source real-time multi-user audio sequencer written in HTML and JavaScript.
• 10 – MashMe by Jon Gottfried – A personalized mashup generator using Hunch and EchoNest
• 11 – djtxt – Crowdsourced party playlists via SMS
• 12 – PatternSketch – Audio Sequencer and Drum Machine written in html and javascript
• 13 – flowlist – Interactive game-ified playlist creator based on html5, javascript + processing.js
• 14 – Scrobbyl – Scrobbling your environment
• 15 – MogDedication – Dedicate a song to someone on a Roku
• 16 – SongVoodoo – Get a song name by texting in the lyrics
• 17 – Artist Map – Map influential artists by genre
• 18 – The Infinite Nightclub – The nightclub with every band in the world.
• 19 – TweetsOnBeats.com – Peepz Tweetin All Ova Ya Beatz. Fo Shizzle.
• 20 – ValenTun.es – Send love with music! Custom playlist generation for your Valentine delivered through the web or phone.
• 21 – Snowball – Automatic hype avalanche for new releases.
• 22 – IndaBeats – Web-based sequencer pulling songs from Indaba Music
• 23 – ChucKPad – Wrote some ChucK scripts for the Novation Launchpad. Hopefully they work.
• 24 – Invisible… Stuff – Midi instruments focusing on the freedom of movement and intuition of use.
• 25 – HeartBeat – Using music and fMRI studies to create a therapeutical approach to maintaining a lower stress/BP. (Echonest)
• 26 – Drawing Restraints – An instrument for a piece I’m performing Feb 23rd at Zora Art Space
• 27 – GridSong – Visual Playlist Viewer.
• 28 – Milestune – Snapshot of the song that encapsulates a given time period with social context from your twitter feed.
• 29 – aPicForYou – A picture is worth a thousand words. Wouldn’t it be awesome if those words were lyrics and you could send them to a friend?
• 30 – InstaSamples – Pull samples from SoundCloud and put them on a Groovebox
• 31 – AutomaticDJ – Automatic music selection system for people who love great music (even if they don’t know it yet).
• 32 – sndchck – Kind of like Hashable and Instapaper. For music.
• 33 – Disco Slideshow – Make fun of your friends to the beat of their favorite music video.
• 34 – Demolition Hammer – Send love with music!
• 35 – DownCloud – Get a zip file of a SoundCloud set.
• 36 – combinar – Helps you sort out bands to see (or not) at a festival
• 37 – transcribe-melodies – Transcribes pitch and rhythm from audio containing monophonic melodies.
• 38 – pyMusiXmatch – A python wrapper for the MusiXmatch API.
• 39 – jam.ly – An SMS music discovery service.
• 40 – Youzakk.com – Make Muzak your 4sq-checkins love
• 41 – NBS Quick Info – Quick info on a band (bio, songs, profile urls, upcoming shows etc.) from any artist page
• 42 – Syncalong – Enjoy the show with a lyrics 2.0 experience
• 43 – Musicality – ‘Fun on the Bun!’ when trying to figure out what song a lyric is form….Bender Rodriguez style 🙂
• 44 – visualizer.fm – Music visualizer using processing.js and html5 audio and Echo Nest analysis data.
• 45 – musical zeitgeist – Google trends for music, and a new way of looking at individual artists
• 46 – Find You Some Vinyl – Aggregate search across multiple sites that sell real records. Amazon, Boomkat, Intersound, etc.
• 47 – wandermote jukebox – Jukebox populated by EchoNest data and playing VEVO videos
• 48 – Beat Parade – A continuous, beat-synchronized stream of music samples, playlisted using audio similarity
• 49 – SoundBump – SoundBump allows SoundCloud users to interact with each other BUMPING their Android Devices
• 50 – Fans Forever and Ever – Generate a worringly-obsessed fan for whatever artist you choose
• 51 – Follow the Muse – A Real-time Online Score Following Broadcast
• 52 – Vib Ribboff – Rhythm based reaction game in the browser!
• 53 – Rhyme my tweet – a bot that rhymes your tweet
• 54 – /a/valentine/for/you – Valentine generator
• 55 – Who What Where – Realtime audio compass
• 56 – Soundora – An implementation of Pandora like discovery but for SoundCloud. And without the IPO BS.
• 57 – SoundNest – Allows SoundCloud users to get Artist Recommendations from Echo Nest and listen to them from SoundCloud.
• 58 – Boxee Music Quiz – Test your knowledge of your music library with the Rovi API, Echonest and Boxee
• 59 – Live score annotator – Online teacher can annotate a score online with immediate broadcast to his/her students
• 60 – SoundSquare – A Foursquare Soundcloud mashup to discover recordings near your checkins
• 61 – Lyrics On-The-Go – Receive lyrics of your favorite artists on-the-go using any dumb phone.
• 62 – FluffyCloud – A visual adventure of hot soundcloud hot tracks
• 63 – White Limo Dedicator – Dedicate the new Foo Fighters song to that special someone
• 64 – looking at lyrics – Creates a word cloud of words in the lyrics of your top scrobbled tracks on Last.fm. Also looks at the number of unique words used in those songs.
• 65 – Bionic DJ – Uses Kinect to turn body motion into MIDI controllers that you can use to DJ with
• 66 – dj mix splitter – Automatically split a dj mix into its tracks, then try to identify the tracks with the echonest musical fingerprint.
• 67 – SXSW Picks – A tool that magically suggests bands to see at SXSW 2011.
• 68 – lastmood.fm – Uses last.fm real time and echonest API’s to get last hour’s most popular song in each country and gets a mood for the country based on key.
• 69 – lastsquare.io – Uses last.fm api to get the user’s top artists and matches them with the shows in town when you check in with foursquare and sends an SMS message to user with the Twilio API.
• 70 – tone.io – Dial into a group call where you can jam with your keypads using Twilio API.
• 71 – Familiar.js – Enter witch house band names into your favourites sites with ease.
• 72 – Tomahawk Over Twitter – Adding automatic, Twitter-based SIP to Tomahawk