Randy Bachman hopes that recent legal actions against the current version of the Guess Who will help other key members who’ve lost control of their original groups. Bachman co-founded the band in 1966 just before Burton Cummings joined. They combined to co-write many of the Guess Who’s best-known songs, including the Top 10 hits “These Eyes,” “No Time” and “American Woman.” Bachman left in 1970 to form Bachman-Turner Overdrive and then the Guess Who split in 1975. Cummings joined Bachman in a handful of Guess Who reunions but the group eventually moved forward on a permanent basis without them…