CMD_PLAY
{ CMD_PLAY, "play", 1, "[track1[.index1] [track2[.index2]]]" },
{ CMD_PLAY, "play", 1, "[[tr1] m1:s1[.f1] [tr2] [m2:s2[.f2]]]" },
{ CMD_PLAY, "play", 1, "[#block [len]]" },
*cmd = CMD_PLAY;
case CMD_PLAY: