Hi, I am trying to understand the Zak Patching system. I was wondering why the prints in instrument 256 don't work? It doesn't seem like my reading of the Zak variables does anything. What am I missing? Any help appreciated. Thanks schwaahed ; Put your flags here ;-+rtaudio=jack -odac:alsa_pcm:playback_ -+rtmidi=alsa -M hw:1,0 -b 128 -B 512 sr = 44100 ksmps = 100 nchnls = 2 zakinit 1, 5 massign 1, 255 instr 128 endin instr 255 iamp ampmidi 30000 ifreq cpsmidi kamp1 = k(iamp) kfreq1 = k(ifreq) kPitchBend1 pchbend 0, 1 kModwheel1 ctrl7 1, 1, 0, 1 zkw kamp1, 1 zkw kfreq1, 2 zkw kPitchBend1, 3 zkw kModwheel1, 4 printk2 kamp1, 0 printk2 kfreq1, 8 printk2 kPitchBend1, 16 printk2 kModwheel1, 24 endin instr 256 kamp2 zkr 1 kfreq2 zkr 2 kPitchBend2 zkr 3 kModwheel2 zkr 4 printk2 kamp2, 40 printk2 kfreq2, 48 printk2 kPitchBend2, 56 printk2 kModwheel2, 64 zkcl 0,5 endin f0 360 e