7* indicates 7 hole overblow. If you cant overblow, just play 7 blow. It will still sound OK. -4 -4 6 -6 -7 -7 -4 -4 6 -6 -7 -7 7* -6 -6 8 -8 7* -8 -6 -6 -6 -6 -7 7 -7 -4 -4 6 -6 -7 -7 -4 -4 6 -6 -7 -7 7* -6 -6 8 -8 7* -8 -6 -6 -6 -6 -7 -6 6 -6 -7 -8 8 -9 9 8 8 9 -9 8 -8 -8 -8 -9 8 -8 -6 -6 -7 7 -7 -6 -7 -8 8 -9 9 9 9 8 9 -8 -8 -8 9 -9 8 7 -6 -6 -8 7 -7 6 -4 -4 6 -6 -7 -7 -4 -4 6 -6 -7 -7 7* -6 -6 8 -8 7* -8 -6 -6 -6 -6 -7 -6 6