“Alive” is a dance-pop song heavily influenced by ‘80s synth-pop and disco. Opening with an upbeat piano riff, the song later builds up to a sublime euphoric chorus framed by glittering warm synths.
It was released as Head First’s second single on June 7, 2010.

[It is] a song about rediscovering love and believing in it again. “Alive” evokes a sense of vulnerability as well as euphoria.“ Source