1)
Trip Rock has a versatile meaning and can be described as a transfusion of multiple genres like rock, trance, hip-hop, industrial, etc.
2)
Trip rock is a form of alternative rock that consists of a fusion of Psychedelic rock, late 90’s electronica and a dense, dark sound. Examples of trip rock can be found on Massive Attack’s Mezzanine album (Angel - track) & the Gathering's If_then_else album (Analog Park - track). The Psychedelic element of the music mostly comes from Piper at the Gates of Dawn / A Sauceful of Secrets era Pink Floyd.
3)
Trip rock is a fusion of trip hop and various forms of rock music.