You are free to download and listen to all music from IndieGameMusic.com, but you need to contact the author and request a license (even if a freeware license) before including it in your game and releasing your game - unless otherwise stated in artist profile or track info.
Music - single full track
Author: Grigoriy Sviridov   [View track & author details]
About the author
Just a 13 y. o. guy trying to make music.
Available for project work:
Yes! Artist is available for project work! 
Yes! Artist accepts payments by Paypal!
Accepts bank transfer:
No, artist doesn't accept payments by banktransfer.