Question: What double album features the song "Christmas", written by Pete Townshend?

Context paragraphs:
In the Attic (webcast): In The Attic was a live weekly webcast from Pete Townshend's Oceanic studios in London hosted by British singer-songwriters Rachel Fuller and Mikey Cuthbert.  This lively show features regular guest appearances by Pete Townshend, Simon Townshend and Jerry Hall.  The shows feature musical numbers, short films and other special guests.  "In The Attic" began in October 2005 as a way to entertain Fuller's devoted web fans.  It has gained a steady following on the internet as it attracts a blend of fans, mainly those of Rachel Fuller, The Who, Pete Townshend's solo work, and Simon Townshend's band, 'The Casbah Club'.

Pete Townshend Live BAM 1993: Pete Townshend Live BAM 1993 is a live recording by Pete Townshend.  The music was recorded at the Brooklyn Academy of Music, Brooklyn, N.Y., on 7 August 1993 and a double CD released 11 August 2003 by UK company Eel Pie Recording Productions Ltd.  The concert took place during Townshend's "Psychoderelict" tour and the CD features the entire "Psychoderlict" performance as well as selections from Townshend's catalogue.

Lifehouse Chronicles: Lifehouse Chronicles is a box set released in 2000 by Pete Townshend with the focus on the box being the formerly "abandoned" "Lifehouse" rock opera.  The set contains song demos by Pete Townshend; including solo versions of "Baba O'Riley", "Won't Get Fooled Again", and "Who Are You", and the Lifehouse Radio Program.  The box set release was followed by two Sadler's Wells Lifehouse concerts and the release of a live CD and video/DVD called respectively "Pete Townshend Live: Sadler's Wells 2000" and "Pete Townshend – Music from Lifehouse".

Christmas (song): "Christmas" is a song written by Pete Townshend and is the seventh song on The Who's rock opera "Tommy".  On the original LP, it opens the second side of the album.

Tommy (album): Tommy is the fourth studio album by the English rock band The Who, a double album first released in May 1969.  The album was mostly composed by guitarist Pete Townshend as a rock opera that tells the story about a deaf, dumb and blind boy, including his experiences with life and his relationship with his family.

The Best of Pete Townshend: The Best of Pete Townshend is a compilation album by Pete Townshend released in 1996.  It was released in the UK on the Virgin label, and the US on Atlantic.  The compilation included songs from Pete Townshend's solo career as well as two songs from the album Rough Mix with Ronnie Lane.  It also included the single edit of English Boy" and the first appearance of "Let My Love Open the Door (E. Cola Mix)" and the Psychoderelict outtake, "Uneasy Street".

Live: The Empire: Live: The Empire is a live recording by Pete Townshend.  The music was recorded at London's Shepherd's Bush Empire on 9 November 1998 and released as a double CD on 18 September 2000 by UK company Eel Pie Recording Productions Ltd.  This concert marked Pete Townshend's return to the UK stage as a solo artist after an absence of 13 years.  He was backed by musicians including John "Rabbit" Bundrick, Chucho Merchán and Peter Hope Evans, as well as freestyle rapper Hame.

Live: Sadler's Wells: Pete Townshend Live: Sadler's Wells 2000 is a live album released by Pete Townshend in 2000.  Townshend presented the music from "Lifehouse" at two concerts at Sadler's Wells in London on February 25 and 26, 2000, supported by a number of musicians and vocalists and The London Chamber Orchestra.  Musicians included Pete Townshend, Chucho Merchán, Phil Palmer, John "Rabbit" Bundrick, Peter Hope-Evans and Jody Linscott.  Vocalists included Chyna, Cleveland Watkiss and Billy Nicholls.  Violinist and orchestra leader Gaby Lester performed the violin solo on "Baba O'Riley".  The live recording was issued on a CD album titled "Pete Townshend Live: Sadler's Wells 2000" and a video/DVD titled "Pete Townshend – Music from Lifehouse" in 2002.

A Benefit for Maryville Academy: Pete Townshend Live: A Benefit for Maryville Academy (Platinum 9555) is a 1998 live album by English rock musician Pete Townshend, member of The Who, recorded at the House of Blues in Chicago.  It was produced by multi-instrumentalist Jon Carin, who has been the keyboard player for Pink Floyd since 1985 and gives this album a special feel with the use of programmed drums and samples.  Covers many Who songs and some solo material.  A "bonus CD" features 2 tracks with Eddie Vedder, Pearl Jam's vocalist.

O' Parvardigar (album): O' Parvardigar is a 2001 EP by Pete Townshend based on his song "Parvardigar", which in turn was based on the Prayer by Meher Baba.  The prayer became well known after Townshend, lead songwriter for the rock band The Who and a follower of Meher Baba, wrote and recorded an interpretation of the prayer.  While there are earlier recordings, the song reached a wide audience with the release of "Who Came First" in 1972.  In 2001 Townshend released a solo EP, "O' Parvardigar", with three versions of the song: his studio version, a live recording made in India at Meher Baba's third Amartithi in January 1972, and a German language version that Townshend recorded specifically for the opening of a European Baba Center.  Other Townshend albums that contain the song include "I Am" (1972) and "Jai Baba" (2001).

Supporting paragraphs: Christmas (song) Tommy (album)
Answer: Tommy