Years ago , he collaborated with the new music gurus Peter Serkin and Fred Sherry in the very countercultural chamber group Tashi , which won audiences over to dreaded contemporary scores like Messiaen 's `` Quartet for the End of Time . ''	<arg1> Tashi </arg1> <rel> won </rel> <arg2> audiences over to dreaded contemporary scores like Messiaen 's </arg2>	1