(
s.waitForBoot {
    ~buf1 = Buffer.read(s, "/home/lcoogan/snd/samples/freesound/vocals/ymaaela/333264__ymaaela__female-vocal-cut-ups-collage.mono.wav");
	~buf2 = Buffer.read(s, "/home/lcoogan/snd/samples/scarlett/clickin.mono.wav");
	~buf3 = Buffer.read(s, "/home/lcoogan/snd/samples/scarlett/scarlett singing.mono.wav");

    SynthDef(\crossfade3Buf, { |out=0, buf1, buf2, buf3, gain1=1, gain2=0, gain3=0, rate=1.2|
        var sig1 = PlayBuf.ar(1, buf1, rate * BufRateScale.kr(buf1), loop: 1);
        var sig2 = PlayBuf.ar(1, buf2, rate * BufRateScale.kr(buf2), loop: 1);
        var sig3 = PlayBuf.ar(1, buf3, rate * BufRateScale.kr(buf3), loop: 1);

        var mix = sig1 * gain1 + sig2 * gain2 + sig3 * gain3;

		mix = GVerb.ar(mix, damping:1);
        Out.ar(out, mix ! 2);
    }).add;

    s.sync;

    ~synth = Synth(\crossfade3Buf, [
        \buf1, ~buf1.bufnum,
        \buf2, ~buf2.bufnum,
        \buf3, ~buf3.bufnum,
        \gain1, 0,
        \gain2, 0,
        \gain3, 1
    ]);

    Routine({
        var prevGains = [1.0, 0.0, 0.0];
        loop {
            var newGains = Array.fill(3, { rrand(0.0, 1.0) });
            var sum = newGains.sum;
            newGains = newGains.collect { |g| g / sum };  // normalize gains to sum to 1

            // Smoothly interpolate each gain from prev to new over 1 second using \lag
            ~synth.set(\gain1, newGains[0], \lag, 0);
            ~synth.set(\gain2, newGains[1], \lag, 0);
            ~synth.set(\gain3, newGains[2], \lag, 0);

            prevGains = newGains;
            0.1.wait;
        }
    }).play;
};
)