- "Music is so much more than just song. Music's about identity. It's hearing a track for the first time and you think to yourself, 'Wow, this is who I am'. And I don't care how long it takes, we're gonna find your music, whether it be rock and roll or, God forbid, Ska."
- —Nate Heywood to Amaya Jiwe
|When the Legends learn that a mysterious tragedy destroyed Memphis in 1954, thus eradicating the birthplace of rock and roll, they embark on their most important mission – to save music. Nate is excited to show Amaya why music is important to him and he is surprised it leads to a rock legend as well as the sixth and final totem, the Death Totem. Meanwhile, Zari helps their newest member try to adjust to the team.|
- The title of the episode is a nod to the hymn of the same name, which Elvis sings to put the dead to rest. In real life, Elvis recorded a version of the song in 1972 for his gospel album He Touched Me.
- Zari goes to play the video game Ms. Pac-Man, only to find Wally has beaten her high score multiple times.
- Zari goes to play Guitar Hero, only to discover that it's become Trombone Hero.
- Nate tells everyone to "shake, rattle, and roll" while they go to replace Elvis' guitar, referencing Elvis' recording of the same name, which was previously recorded by Big Joe Turner and Bill Haley and His Comets; this is the second time a Legends episode has referenced a song associated with Haley, after "(We're Gonna) Rock Around the Clock" was heard in "".
- Amaya mentions the time that she and Nate watched all of the TV series Friends in a week.
- Lucious tells Elvis to "get behind me, Satan", to which Nate exclaims that it was a great White Stripes album, referencing their 2005 album of the same name.
- However, it's implied that Lucious is referring to something Jesus said to Peter in Matthew 16, after Jesus told his followers about how he (Jesus) would die and be resurrected.
- At Axl's funeral, Ray quotes Charles Dickens from his novel Great Expectations.
- Ray says his first time meeting Axl was in the vents of the Waverider during the events of "" and subsequent giving him to Mick as a present.
- Ray goes to sing the Guns N' Roses song "Sweet Child O' Mine", originally sung by Axl's namesake Axl Rose, at Axl's funeral, before he is interrupted.
- Sara says, "consider me All Shook Up", which is the name of another Elvis song.
- When Zari and Wally are talking to Elvis's uncle, Wally's referring to when he first appeared on at the end of "" and his relationship with his father, then leaving Team Flash in "".
- When Elvis sings "Onward Christian Soldiers" Amaya says, "this is Rock and Roll. It's no Benny Goodman." Benny Goodman was a big band leader in the 1930s and 40s.
- The song Elvis records for Sun Records in the episode does not resemble "That's All Right (Mama)", the song he launched his career with in real life. The episode also shows him recording the song with a full band when in real life it was just him, a guitar player and a bass player.
- The Death Totem's appearance in 1954 Memphis (causing the city to become a ghost town, thereby preventing the rise of rock and roll) is implied to be an anachronism. This event didn't show up on the Legends' anachronism map, leading the team to assume the reason was because of Damien and Nora Darhk causing trouble in that time period. However, when the Legends go to investigate the anachronism, they don't encounter the Darhks at all, which makes it unclear how the Death Totem ended up in 1954 Memphis in the first place.
- During the dance in the church, some couples are doing the Twist, which was still a few years away in 1954, having been inspired by the song of the same name, which had originally been recorded in late 1958 and was subsequently released in early 1959.
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