Between September 1, 1954, and July 17, 1958, Cash recorded several sessions at Memphis Sun Studios. The Sun singles and albums were recorded at the sessions described below; "master" indicates which take of a song was used for singles and albums.
Demo session, September 1, 1954
- "Wide Open Road" (demo) – 2:26
- "You're My Baby" (demo) – 1:42
- "My Treasure" (demo) – 2:31
- "My Treasure" (overdubbed master) – 1:17
Demo session, March 22, 1955
- "Folsom Prison Blues" (demo) – 2:32
- "Wide Open Road" (demo) – 2:36
- "Wide Open Road" (demo) – 2:28
- "My Two Timin' Woman" (demo) – 1:59
- "Hey Porter" (demo) – 2:13
Studio session, September 1, 1954
- "Hey Porter" (master) – 2:14
- "Cry, Cry, Cry" (master) – 2:29
- "Wide Open Road" (master) – 2:24
Studio sessions, April 26, 1955
- "Port of Lonely Hearts" (master) – 2:36
- "I Couldn't Keep from Crying" (master) – 2:02
- "New Mexico" (master) – 2:07
Studio session, July 30, 1955
- "Folsom Prison Blues" (master) – 2:50
- "Luther Played the Boogie" (master) – 2:05
- "So Doggone Lonesome" (master) – 2:38
- "Mean Eyed Cat" (master) – 2:30
Demo session for KWEM, November 2, 1955 – KWEM Radio Studio, West Memphis, Arkansas
- "Rock 'n' Roll Ruby" (demo) – 1:42
Studio session, April 2, 1956
- "I Walk the Line" (outtake) – 2:41
- "Brakeman's Blues" (FS+incomplete) – 1:02
- "Get Rhythm" (outtake, mike test) – 2:16
- "Get Rhythm" (outtake) – 2:16
- "I Walk the Line" (master) – 2:46
- "Get Rhythm" (master) – 2:15
- "Train of Love" (alternate) – 2:37
Studio session, August 8, 1956
- "Train of Love" (outtake) – 2:20
- "Train of Love" (master) – 2:24
- "There You Go" (master) – 2:19
Studio session, October 1, 1956
- "One More Ride" (incomplete) – 0:54
Studio session, December 13, 1956
- "I Love You Because" (outtake) – 2:27
- "Goodbye Little Darlin'" (overdubbed master) – 2:15
- "Straight A's in Love" (undubbed master) – 2:14
- "I Love You Because" (overdubbed master) – 2:28
- "Straight A's in Love" (overdubbed master) – 2:15
Studio session, April 4, 1957
- "Don't Make Me Go" (outtake) – 2:45
- "Don't Make Me Go" (outtakes) – 2:53
- "Don't Make Me Go" (master) – 2:30
- "Next in Line" (master) – 2:47
Studio session, July 1, 1957
- "Home of the Blues" (undubbed master) – 3:01
- "Give My Love to Rose" (outtakes) – 3:12
- "Give My Love to Rose" (outtake) – 2:44
- "Give My Love to Rose" (master) – 2:46
- "Home of the Blues" (overdubbed master) – 2:41
Demo session, August 2, 1957
- "Country Boy" (demo) – 1:49
- "Leave That Junk Alone" (demo) – 1:30
Studio session, August 4, 1957
- "Doin' My Time" (master) – 2:39
- "Country Boy" (master) – 1:53
- "If the Good Lord's Willing" (master) – 1:44
- "I Heard That Lonesome Whistle Blow" (master) – 2:25
- "I Was There When It Happened" (outtake) – 2:18
- "I Was There When It Happened" (master) – 2:17
- "Remember Me" (master) – 2:48
Studio session, November 12, 1957
- "Big River" (outtakes) – 3:46
- "Big River" (master) – 2:32
- "Ballad of a Teenage Queen" (undubbed master) – 2:18
Overdub session, November 22, 1957
- "Goodnight Irene" (overdubbed master) – 2:41
- "Ballad of a Teenage Queen" (overdubbed master) – 2:14
Studio session, December 3, 1957
- "Come in Stranger" (alternate) – 2:03
Studio session, April 9, 1958
- "Guess Things Happen That Way" (undubbed master) – 1:58
- "Come in Stranger" (master) – 1:43
- "Oh Lonesome Me" (undubbed master) – 2:30
Overdub session, May 1, 1958
- "Guess Things Happen That Way" (overdubbed master) – 1:52
- "Oh Lonesome Me" (overdubbed master) – 2:29
Studio session, May 15, 1958
- "Sugartime" (undubbed master) – 1:46
- "Born to Lose" (undubbed master) – 2:10
- "You're the Nearest Thing to Heaven" (undubbed master) – 2:38
- "You're the Nearest Thing to Heaven" (overdubbed master) – 2:41
- "Sugartime" (overdubbed master) – 1:46
- "Born to Lose" (overdubbed master) – 2:11
Studio session, May 15, 1958
- "The Story of a Broken Heart" (outtake) – 2:35
- "The Story of a Broken Heart" (outtake) – 2:32
- "The Story of a Broken Heart" (outtakes) – 1:39
- "The Story of a Broken Heart" (outtakes) – 2:05
- "The Story of a Broken Heart" (master) – 2:12
- "Always Alone" (outtakes) – 1:40
- "Always Alone" (outtake) – 1:13
- "Always Alone" (master) – 1:52
- "You Tell Me" (outtakes) – 0:34
- "You Tell Me" (master) – 1:20
- "Life Goes On" (master) – 2:01
Studio session, May 15, 1958
- "You Win Again" (false starts) – 0:33
- "You Win Again" (undubbed master) – 2:17
- "I Could Never Be Ashamed of You" (undubbed master) – 2:14
- "Hey Good Lookin'" (undubbed master) – 1:43
- "I Can't Help It" (undubbed master) – 1:46
- "Cold, Cold Heart" (undubbed master) – 2:20
- "You Win Again" (overdubbed master) – 2:18
- "I Could Never Be Ashamed of You" (overdubbed master) – 2:14
- "Hey Good Lookin'" (overdubbed master) – 1:43
- "I Can't Help It" (overdubbed master) – 1:46
- "Cold, Cold Heart" (overdubbed master) – 2:21
Studio session, May 28, 1958
- "Blue Train" (master) – 2:02
- "Katy Too" (master) – 1:58
Studio session, July 10, 1958
- "The Ways of a Woman in Love" (ondubbed master) – 2:28
- "Fools Hall of Fame" (outtake) – 2:25
- "Fools Hall of Fame" (FS + master) – 2:34
- "Thanks a Lot" (outtakes) – 3:10
- "The Ways of a Woman in Love" (overdubbed master) – 2:17
- "Thanks a Lot" (overdubbed master) – 2:38
Studio session, July 17, 1958
- "It's Just About Time" (undubbed master) – 2:08
- "I Just Thought You'd Like to Know" (undubbed master) – 2:23
- "I Forgot to Remember to Forget" (outtake) – 2:07
- "I Forgot to Remember to Forget" (outtake) – 2:10
- "It's Just About Time" (overdubbed master) – 2:10
- "I Just Thought You'd Like to Know" (overdubbed master) – 2:25
- "I Forgot to Remember to Forget" (overdubbed master) – 1:55
- "Down the Street to 301" (overdubbed master) – 2:03