SoGreatandPowerful

297 MB, MP3s with corrected tags
(V15, released January 11, 2016, adds 1.4, 2.1, Celestia_Lunaaaaaaaa, sgap snippet, and Two Regal Sisters.)


The Standard Model
Song name & download Release Source Notes, alternate versions
 ▶  Flutterwonder (SoGreatandPowerful Remix) Oct 1, 2011 Youtube[1] Remix of PinkiePieSwear's Flutterwonder
 ▶  No vocals
 ▶  Your Faithful Student Oct 8, 2011 Youtube[1]
 ▶  A Beautiful Heart Oct 23, 2011 Youtube[1] Has piece by piece version
 ▶  No vocals
 ▶  Pinkie Pie Swear Nov 19, 2011 Youtube[1] Has piece by piece version
 ▶  In History, Maybe Dec 21, 2011 Youtube[1] Parts by Pony Piano
 ▶  On My Own Feb 12, 2012 Youtube[1]  ▶  No vocals
 ▶  What Went Wrong Feb 25, 2012 Youtube[1]
 ▶  The Standard Model Apr 24, 2012 Youtube[1]
S2
Song name & download Release Source Notes, alternate versions
 ▶  E48 Aug 23, 2012 Youtube[1]
 ▶  E38 Sep 11, 2012 Youtube[1]
 ▶  E40 (Faithful and Strong) Sep 23, 2012 Youtube[1]
 ▶  E36 (Sofas and Quills) Oct 8, 2012 Youtube[1]
 ▶  E30 (Love and Admiration) Nov 2, 2012 Youtube[1]
 ▶  S2 Pt. 2 Nov 9, 2012 Youtube[1] Collab with bbctol
 ▶  No vocals
 ▶  Original demo (source) [1]
Space Pony
Song name & download Release Source Notes, alternate versions
 ▶  space pony Feb 24, 2013 Youtube[1] A continuous album of three songs:
 ▶  night glider (source) [1]
 ▶  galaxy (source) [1]
 ▶  star hopper (source) [1]
Unmakeablelove
Song name & download Release Source Notes, alternate versions
 ▶  RD/RA Jul 8, 2013 Youtube[1]  ▶  Older version
Collabs/Remixes
Song name & download Release Source Notes, alternate versions
 ▶  The Morning And Apr 29, 2012 Seeds of Kindness Collab with Circuitfry
 ▶  Other Animals May 3, 2012 Youtube[1] Collab with Facexplodie
 ▶  Never Never Never May 3, 2012 Psychedelic Brony's Youtube[1] Collab with Psychedelic Brony
 ▶  Indelible Ink May 4, 2012 Tsyolin's Youtube Collab with Tsyolin
 ▶  Rainbow Mother Earth Sep 1, 2012 Youtube[1] Remix of Cats Millionaire
 ▶  A Nyxmas Carol Dec 27, 2012 pasteur's Tumblr Collab with pasteur
 ▶  Kupo (SoGreatandPowerful remix) Jan 22, 2013 Youtube[1] Remix of All Levels at Once's Kupo
 ▶  All Levels at Once's version (source)
 ▶  40 Winks Mar 17, 2013 Youtube Collab with Sherclop Pones
 ▶  E46 (unfinished) Mar 25, 2013 Tumblr[1] Collab with Hirosashii
 ▶  Rarity Apr 22, 2013 Youtube Collab with And The Rainfall
 ▶  No vocals
 ▶  Mother Nature's Son (Destroyer Mashup) May 19, 2013 Tumblr[1]
 ▶  seawinkle May 27, 2013 Youtube[1] Collab with Kreühn Pöny
 ▶  Fun Fun Fun Aug 1, 2013 Bandcamp[1] Collab with Cats Millionaire
 ▶  Matalii ja mustii Aug 21, 2013 Tumblr[1] Remix of Matalii ja mustii by Värttinä and Arthur
 ▶  The Music Lovers (SGaP cover) Sep 20, 2013 Tumblr[1] Cover of The Music Lovers by Destroyer
Art by sofasandquills
Miscellaneous
Song name & download Release Source Notes, alternate versions
 ▶  Dashy / Hearth's Warming Eve Dec 31, 2011 Youtube[1]  ▶  No vocals
 ▶  A Sorceress Girl Jan 11, 2012 Youtube[1]  ▶  Smile! version (source)
 ▶  Youtube version
 ▶  Untitled Dec 17, 2012 Tumblr[1]
Snippets
Song name & download Release Source Notes, alternate versions
 ▶  Celestia_Lunaaaaaaaa Apr 16, 2012 Private Two Regal Sisters with vocals
 ▶  Two Regal Sisters Aug 23, 2012 Private Similar to The Standard Model
 ▶  1.4 Apr 21, 2013 Private Unmakeablelove
 ▶  2.1 Apr 21, 2013 Private Unmakeablelove
 ▶  Untitled 2 May 16, 2013 Tumblr[1] Unmakeablelove
 ▶  sgap snippet May 21, 2013 Private Alternate Untitled 2
 ▶  Untitled 3 Sep 4, 2015 Tumblr

Download lossless songs (381 MB, wav or flac)
V4, released January 11, 2016, contains On My Own, E40, E36, E30, S2 Pt. 2,S2 Pt. 2 no vocals,
RD/RA, Never Never Never, Kupo remix, Fun Fun Fun, and Celestia_Lunaaaaaaaa.

SoGreatandPowerful's YouTube account
SoGreatandPowerful's tumblr accounts:
SoGreatandPowerful, Horseness, and Unmakeablelove
Lyrics by LyricWiki

This is not SoGreatandPowerful's official site, but a fan-made collection.
Contact davidfg4 for corrections, additions, or any other reason.
Image courtesy of NASA.

Footnotes:
[1] The video or post has been removed.