Audio problem: In the prom scene just before Heather is looking around and looking bored, the drummer is tapping on the hi hat, but the sound is a crash cymbal.
Audio problem: When Finch rolls the yellow 1-ball around the table, the first sound you hear is that of a ball hitting another ball, yet no other balls move. No balls are pocketed either - if a ball had been pocketed the yellow ball would have taken a different path around the table.
Audio problem: When the father gives the son the magazines, right before he's about to leave, he taps his hands together, but a loud CLAP is heard, like he really clapped his hands hard, while he just touched them together. (00:26:29)
Answer: The song is called Sway by Bic Runga.