Chopsticks

by tekwiz@beyondbb.com

This program plays the popular piano melody Chop Sticks using Logo’s built-in multiple voice music capability.

This project illustrates

• Music programming
• Multiple voices
• Using lists

Chopsticks.lgo

TO MAIN
    MAKE "F "TRUE
    PLAY [t300 O4 L4 M1 I0]
    LABEL "TOP
    REPEAT 6 [PLAY [[f g]]]
    REPEAT 6 [PLAY [[e g]]]
    REPEAT 4 [PLAY [[D B]]]
    PLAY [[A D] [D B] L2 [E C] L4 [E C] [E C] [D B] [A E]]

    REPEAT 6 [PLAY [[f g]]]
    REPEAT 6 [PLAY [[e g]]]
    REPEAT 4 [PLAY [[D B]]]
    PLAY [[A D] [D B] [E C] P [E C] [E C] P]

    IF :F = "TRUE [
      PLAY [O5 L4 [C E] L2 [B4 D5] O4 L4 [A4 C5] O4 L2 [G B] L4 [F A] L2 [E G] L4 [E G] [E G] [F A] [E G] L2 [D F] L4 [D F] [D F] [E G] [D F] L2 [C E] L4 [D F] L2 [E G]]
      PLAY [O5 L4 [C E] L2 [B4 D5] O4 L4 [A4 C5] O4 L2 [G B] L4 [F A] L2 [E G] L4 [E G] [E G] [F A] [E G] L2 [D F] L4 [D F] [D F]   [D G] [F4 D5] L1 [C5 E4] L2 P L4]
      MAKE "F "FALSE
      GO "TOP
    ]
END
MAIN

---

Procedure	MAIN
Description	Play "Chopsticks" on the computer
Level	Beginner
Tags	Music, Lists, Voices