frac32 root
frac32 I
frac32 II
frac32 III
frac32 IV
frac32 V
frac32 VI
frac32 VII
combo mode
#if (attr_mode == 0)
int32_t notes[6] = {2 << 21, 4 << 21, 5 << 21, 7 << 21, 9 << 21, 11 << 21};
#elif (attr_mode == 1)
int32_t notes[6] = {2 << 21, 3 << 21, 5 << 21, 7 << 21, 9 << 21, 10 << 21};
#elif (attr_mode == 2)
int32_t notes[6] = {1 << 21, 3 << 21, 5 << 21, 7 << 21, 8 << 21, 10 << 21};
#elif (attr_mode == 3)
int32_t notes[6] = {2 << 21, 4 << 21, 6 << 21, 7 << 21, 9 << 21, 11 << 21};
#elif (attr_mode == 4)
int32_t notes[6] = {2 << 21, 4 << 21, 5 << 21, 7 << 21, 9 << 21, 10 << 21};
#elif (attr_mode == 5)
int32_t notes[6] = {2 << 21, 3 << 21, 5 << 21, 7 << 21, 8 << 21, 10 << 21};
#elif (attr_mode == 6)
int32_t notes[6] = {1 << 21, 3 << 21, 5 << 21, 6 << 21, 8 << 21, 10 << 21};
#endif
outlet_I = inlet_root;
outlet_II = inlet_root + notes[0];
outlet_III = inlet_root + notes[1];
outlet_IV = inlet_root + notes[2];
outlet_V = inlet_root + notes[3];
outlet_VI = inlet_root + notes[4];
outlet_VII = inlet_root + notes[5];