Lost in Translation - closing credits song

Hi,
I would be very grateful if someone could steer me in the right direction of an album
or other release containing the song played during the closing credits of the film Lost
in Translation. The song is called Tomei Tengu BGM, written and performed by Takeo
Watanabe courtesy of Sankyo Shinsha Inc. Let's just say that the search for this
great little song has become somewhat of an obsession of mine! Please help, thank
you :)

markwood, May 22, 2016; 9:11 PM