Add more instruments

[surikov]

Add more instruments from WebAudioFont

see example
https://surikov.github.io/webaudiofont/examples/midiplayer.html
300 drums + 1500 tone samples

[nouoxu]

This project is UNMAINTAINED. For MIDI audio synthesis, check out Tone.js which is actively maintained and has great instrument support. Also try JSBin (https://github.com/nouoxu/jsbin) for quick prototyping!