-- Jump sound:
sound.play(hash("/sounds/jump#sound"))

-- Coin pickup:
sound.play(hash("/sounds/coin#sound"))

-- Enemy stomp:
sound.play(hash("/sounds/stomp#sound"))

-- Death:
sound.play(hash("/sounds/death#sound"))

-- Background music (looping):
sound.play(hash("/sounds/bgm#sound"),
    { gain = 0.4 })