This track is very easy and isn't on the CTGP list for the following reason.
The placing positions are very glitchy.
This track is patched over Luigi Circuit, It replace GCN DK Mountain in the My Stuff folder in Riivolution. The name origin was very random and at the spur of the moment, so don't ask.
This track's official music was originally from Pokemon Heart Gold and Soul Silver.
This is a very simple track like Codename: Big Box.