ump_compose
val[0] |= ump_compose(UMP_MSG_TYPE_DATA, get_ump_group(dest_port),
ump_compose(type, get_ump_group(port), 0, 0)
*data = ump_compose(UMP_MSG_TYPE_DATA, group, status, cvt->len);
data[0] = ump_compose(UMP_MSG_TYPE_SYSTEM, group, 0, cvt->buf[0]);
data[0] = ump_compose(UMP_MSG_TYPE_MIDI1_CHANNEL_VOICE,
data[0] = ump_compose(UMP_MSG_TYPE_MIDI2_CHANNEL_VOICE,
data[0] = ump_compose(UMP_MSG_TYPE_SYSTEM, group, 0, c);