Justin Bieber became angry during an interview recently, when someone compared Bieber’s “Boyfriend” to Justin Timberlake’s music. The interviewer meant it as a compliment, but Bieber took it in a bad way and ended up hanging up on the interview. Bieber said:

Man, that’s crazy, because our voices sound nothing alike…saying I sound like someone else is not really a compliment.

A lot of people felt the comparison was pretty spot-on, including a DJ named Raheem D, who decided to compare the two by mashing up Bieber’s “Boyfriend” and NSYNC’s “Girlfriend”.

See if you can tell the songs apart – it’s practically seamless: