"Chemicals React" marked a notable shift for Aly & AJ towards a more mature synth-pop sound, moving away from their earlier teen pop identity. The single showcased a new direction that would be further explored on their album Insomniatic.
- The single was released on June 27, 2006, as the second single from their self-titled album, *Aly & AJ*.
- "Chemicals React" was co-written by Alyson Michalka, Amanda Michalka, and producer Antonina Armato.
- The song peaked at number 92 on the Billboard Hot 100 chart.
Aly & AJ is a pop duo consisting of sisters Alyson and Amanda Michalka. The duo's early career was characterized by Disney Channel crossovers and teen pop anthems.
Tracklist
