10 REM Musical scale
20 LET n=0: REM Start at middle C
30 LET d=0.2: REM Make each note 0.2 seconds in duration
40 FOR l=1 TO 8
50 BEEP d,n
60 READ i: REM Number of semitones to increment
70 LET n=n+i
80 NEXT l
90 STOP
9000 DATA 2,2,1,2,2,2,1,2:REM WWHWWWH