Justin Bieber - Up ★

Critics at the time noted Bieber's vocal maturity on the track. While his "pipsqueak voice" (as Rolling Stone once called it) was still present, "Up" showcased his ability to handle more complex R&B arrangements.

"We'll take it to the sky, past the moon, through the galaxy / As long as you're with me, baby... we can go nowhere but up." Justin Bieber - Up

For a 16-year-old Bieber, these lines weren't just about a crush; they mirrored his own life trajectory. He had literally gone from "underground" YouTube videos to the "surface" of global superstardom. Musicality and Reception Critics at the time noted Bieber's vocal maturity