Version 0.0

(a) C, D, E, C D E c d e
(b) C, C c D, D d E, E e
(c) C D E F G
(d) C C D D E E F F G F E D C C C C
(e) EXIT


Version 1.0
(a) C D E F G A B c c B A G F E D C
(b) C D E C C D E C E F G E F G G A G F E C G A G F E C C G, C C G, C
(c) C C G G A A G F F E E D D C G G F F E E D G G F F E E D C C G G A A G F F E E D D C

Version 2.0 
(a) C2 C1 C C1/2 C1/2 E2 E1 E E1/2 E1/2 G2 G1 G G1/2 G1/2
(b) D,2 D,1 D, D,1/2 D,1/2 F,2 F,1 F, F,1/2 F,1/2 A,2 A,1 A, A,1/2 A,1/2
(c) b2 b1 b b1/2 b1/2 b1/2 b1/2 b b1 b2

Version 2.1
(a) C,1/3 C,1/3 C,1/3 C, C,3 C1/3 C1/3 C1/3 C C3 c1/3 c1/3 c1/3 c c3
(b) C,2/3 C,1/3 D,2/3 D,1/3 C,2/3 C,1/3 D,2/3 D,1/3 C,2/3 C,1/3 D,1 D,1 D,1 C,3

Version 3.0
(happy birthday) G1/2 G A G C B2 G1/2 G A G C B2 G G g e c B A2 F F E C D C
(little star) E E B B c c B2 A A g g f f E2 B B A A g g f2 B B A g g f2 E E B B c c B2 A A g g f f E
(MacDonald) C C C D A A G2 E1/2 E1/2 D1/2 D1/2 C2