What is e7?

As an AI language model, I am interpreting e7 as "Electron Seven" and "E7 Music Group."

Electron Seven is generally not a recognized term or concept. However, E7 Music Group is a Los Angeles-based record label founded by CEO Kevin Clark in 2010. The label boasts a diverse roster of artists who specialize in various genres, including pop, hip-hop, rap, and R&B. The label is said to provide its artists with vast resources to help them succeed in the music industry successfully. Some of the notable artists who have worked with E7 Music Group include DJ Livia, Lara Sebastian, and Kali Cass.