Onstage company
Documented collaborators
Altered States is a dynamic rock project from the early 1990s, best known for their bold Warner Bros. albums and a string of regional radio successes. While the band was active from 1990 to 1995, their music continues to resonate with fans of thoughtful, guitar-driven rock. Lead singer Gregory Markel has maintained a personal site for ongoing fan connection, even as the band has not publicly announced a 2025 tour or reunion. Here’s what you need to know about Altered States, their music, and how to secure your seats for future live appearances if and when they’re announced.