Conversation so far:
Who are the original Kansas band members?
The early Kansas group, sometimes called Kansas I, included Dave Hope, Phil Ehart, Kerry Lvigren, Lynn Meredith, Greg Allen, Don Montre, Dan Wright, and Larry Baker.
What was the band Kansas's original name?
After leaving the Reasons Why, Don Montre and Kerry Livgren formed the band Saratoga with Lynn Meredith, Dan Wright, Scott Kessler and Zeke Lowe.
When did the original band name Saratoga get changed to Kansas?
In 1970 the band Saratoga changed its name to Kansas and merged with members of rival Topeka progressive rock group White Clover.

Question: When did some of the members leave the group?
Self-contained rewrite: When did some of the members of the early Kansas band leave the group?