This is a lot of 6 Bee Gees cassette tapes, including the albums "Main Course" and "Children of the World". The tapes were released by RSO Warner Brothers and are in a clamshell case. The cassette and inlay conditions are good plus and very good, respectively. The tapes are first edition and out of print. The genre is a mix of pop, rock, and disco from the 1970s and 1980s. The tapes were made in the United States.