By Bill Bolin.
Cover art by Homestuck.
Released 2/4/2010.
Duration: 2:34.

Listen on YouTube or Internet Archive.

Also released as:

• (200912/14/2009; about 1 month, 21 days earlier) Nightlife (Extended) (Homestuck Vol. 2)
• (20106/14/2010; about 4 months, 10 days later) Nightlife (>Exile<)