It is Composed by the 'BK MUSIC GROUP'. They dont sell there stuff publicly unfortunately. Looks like we will have too wait until and if HBO decides to ever release those tracks for sale.
The song featured in the HBO promo is "Follow the Sun" by the band Evermore!
The show's theme song was the instrumental bridge of Eric Clapton's "Motherless Children".
The song is "I Can't Hear You" by the Veronicas.
The Human Year - Regina Spektor
"God Only Knows"
Jerry Olaya has: Played himself in "HBO World Championship Boxing" in 1973. Played Himself - Interpreter in "HBO World Championship Boxing" in 1973. Played himself in "HBO Boxing After Dark" in 1996. Played Himself - Interpreter in "HBO Boxing After Dark" in 1996. Played Himself - Interpeter in "HBO Boxing After Dark" in 1996.
HBO Boxing After Dark - 1996 2011-02-19 was released on: USA: 19 February 2011
HBO Boxing After Dark - 1996 2011-03-05 was released on: USA: 5 March 2011
HBO Boxing After Dark - 1996 2011-03-26 was released on: USA: 26 March 2011
HBO Boxing After Dark - 1996 2011-06-17 was released on: USA: 17 June 2011
HBO Boxing After Dark - 1996 2011-06-25 was released on: USA: 25 June 2011
HBO Boxing After Dark - 1996 2011-07-09 was released on: USA: 9 July 2011
HBO Boxing After Dark - 1996 2011-09-03 was released on: USA: 3 September 2011
HBO Boxing After Dark - 1996 2011-10-22 was released on: USA: 22 October 2011
HBO Boxing After Dark - 1996 2011-11-05 was released on: USA: 5 November 2011
HBO Boxing After Dark - 1996 2011-11-19 was released on: USA: 19 November 2011
HBO Boxing After Dark - 1996 2011-11-26 was released on: USA: 26 November 2011