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#returns true if the message represents a positive change of 
# the given controller number, as will happen when depressing buttons a midi keyb.
# We ignore messages with value bytes 0, as those are sent on button releases.
on isMidiButtonPressed(msg, controllerNumber)
	return (isControlChange(msg, controllerNumber) and (item 3 of msg > 0))
end isMidiButtonPressed

on isControlChange(msg, controllerNumber)
	return ((item 1 of msg = 191) and (item 2 of msg = controllerNumber))
end isControlChange

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let passIx = 0
let index = 0
let pattern: neopixel.Strip = null
let firstColor = 0
let secondColor = 0
let fnNames: string[] = []
let myBrightness = 0
function wipe() {
    for (let i = 0; i < 24; i++) {
        pattern.shift(1)

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from microbit import display, sleep, button_a
import audio

def frames_from_file(sndfile, frame):
    while(sndfile.readinto(frame, 32) > 0):
        yield frame

def play_snd(fname):
    frame = audio.AudioFrame()
    with open(fname, 'rb') as sndfile:

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input.onButtonPressed(Button.A, () => {
    PlayShapeOfYouBass()
})
input.onButtonPressed(Button.AB, () => {
    PlayNightwishStorytime()
})
function PlayNightwishStorytime()  {
    music.setTempo(120)
    music.rest(music.beat(BeatFraction.Half))
    music.playTone(698, music.beat(BeatFraction.Half))

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/**
 * Use this file to define custom functions and blocks.
 * Read more at https://makecode.microbit.org/blocks/custom
 */

enum Chord {
    //% block="FMajor"
    FMajor,
    //% block="GMajor"

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let passIx = 0
let index = 0
let numPixels = 0
let firstColor = 0
let pattern: neopixel.Strip = null
let secondColor = 0
let fnNames: string[] = []
let myBrightness = 0
function glow()  {
    myBrightness = 0

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let passIx = 0
let index = 0
let item = 0
let numPixels = 0
let firstColor = 0
let pattern: neopixel.Strip = null
let myBrightness = 0
let secondColor = 0
let fnNames: string[] = []
function rainbowRotate()  {