> An AudioBufferSourceNode can only be played once; after each call to start(), you have to create a new node if you want to play the same sound again. Fortunately, these nodes are very inexpensive to create [..] create the node, call start() to begin playing the sound, and don't even bother to hold a reference to it. It will automatically be garbage-collected at an appropriate time

LOLWAT? Mentioning the garbage collector and "appropriate time" in one sentence is a joke, too.