Complex sentence: Under a Blood Red Sky, also known simply as "Live at Red Rocks", is a concert film by U2, and the first video release by the band, originally released in November 1983 on VHS, and later on Video CD and Laserdisc.
Split into simpler sentences: Under a Blood Red Sky, also known simply as "Live at Red Rocks", is a concert film by U2, and the first video release by the band, originally released in November 1983. The film was originally released in 1983 on VHS, and later on Video CD and Laserdisc.