Volumes is an American progressive metalcore band formed in Los Angeles, California in 2009. The group currently consists of bassist Raad Soudani, vocalists Michael Barr and Myke Terry, and drummer Nick Ursich. Throughout the band's history, bassist Raad Soudani has remained the only constant member. They are currently signed to Fearless Records and have released four studio albums: Via (2011), No Sleep (2014), Different Animals (2017) and Happier? (2021). They have also released three EPs: The Concept of Dreaming (2010), Coming Clean (2019) and Bend(ed) (2022).

Scale the Summit is an American instrumental progressive metal band formed in Houston, Texas in 2004. The band comprises guitarist Chris Letchford, bassist Kilian Duarte and drummer Charlie Engen. They were signed to Prosthetic Records before the band decided to release their work independently. The band is influenced by other progressive acts such as Cynic and Dream Theater. The band gained notice as part of the Progressive Nation 2009 tour with Dream Theater, Zappa Plays Zappa and Bigelf.