premise: The Endless River is Pink Floyd's second to last studio album.
hypothesis: Pink Floyd . The final Pink Floyd studio album , The Endless River ( 2014 ) , was recorded without Waters and based largely on unreleased material . The Endless River is the fifteenth and final studio album by the English rock band Pink Floyd . It was the third Pink Floyd album led by guitarist and singer David Gilmour following Roger Waters ' departure in 1985 and the first following the death of keyboardist Rick Wright in 2008 , who appears posthumously .