10 PLAY "l20o2"
20 A$=INKEY$
30 IF A$="q" THEN PLAY "c"
35 IF A$="2" THEN PLAY "c#"
40 IF A$="w" THEN PLAY "d"
45 IF A$="3" THEN PLAY "d#"
50 IF A$="e" THEN PLAY "e"
60 IF A$="r" THEN PLAY "f"
65 IF A$="5" THEN PLAY "f#"
70 IF A$="t" THEN PLAY "g"
75 IF A$="6" THEN PLAY "g#"
80 IF A$="y" THEN PLAY "a"
85 IF A$="7" THEN PLAY "a#"
90 IF A$="u" THEN PLAY "b"
100 IF A$="i" THEN PLAY "o3co2"
105 IF A$="9" THEN PLAY "o3c#o2"
110 IF A$="o" THEN PLAY "o3do2"
120 IF A$="p" THEN PLAY "o3eo2"
130 GOTO 20