Complex sentence: The early seventies also marked the deaths of rock legends Jim Morrison, Janis Joplin, and Jimi Hendrix as well as the plane crash in 1977 in which three members of Lynyrd Skynyrd were killed.
Split into simpler sentences: The early seventies also marked the deaths of rock legends Jim Morrison, Janis Joplin, and Jimi Hendrix. The decade also saw the plane crash in 1977 in which three members of Lynyrd Skynyrd were killed.