[PD] large audio files

[Andrew Faraday]

Hey Guys
I've had a vague Idea (which I find is often the best kind) for something to do with pure data. 
Basically, I want it to randomly select a clip from a long MP3 (just under an hour long) and play back, preferably with some speed manipulation. Although I'm not sure about how to do with with a large file in pure data. I suppose the trick might be to pull a minute or so whole-sale from the file and then manipulate the playback from an array. But really don't know where to start, with the possible exception of [readanySF~] to actually play a long file. 
any help?
Cheers
Andrew 		 	   		  
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