Lineup: Coma Cinema (indie), Trace Mountains (Electronic, Rock), and haunt3d (Electronic, Rock). Altar at The Masquerade Trace Mountains is the music project of American indie rock musician Dave Benton. Benton was formerly a member of the lo-fi band LVL UP. haunt3d was formed in 2017 as the recording project of Charlotte musician & producer Juan Mendoza. He’s developed an entrancing, synth driven sound that draws from a variety of musical influences; seamlessly fusing elements of electronic music and alternative rock.