This song was written by Patti Smith's drummer Jay Dee Daugherty, who has played with the punk rock godmother since 1975. She told Spinner that her late husband, Fred "Sonic" Smith, "who was very discriminating, told me he was one of the best drummers in rock 'n' roll."
Regarding Daugherty's songwriting, Smith told Spinner; "He's also such an interesting musician as a composer. He doesn't write a lot of songs but he's written so many unique songs. Like 'Don't Say Nothing' [from Peace and Noise]. He wrote the title track from Easter. His music is always set apart from anyone else. On this [album], the song that he wrote is really unique. I love that track. 'Mosaic.' And he always writes on a different instrument [so] it's always a surprise. He wrote 'Easter' on some kind of synthesizer."
"Kickstart My Heart" is about all the ways Motley Crue gets their blood flowing without drugs. It was inspired by their bass player Nikki Sixx, who claimed he had to be revived with a shot of adrenaline to the heart after an overdose.