What is a 7th sust chord 2.16K viewsFebruary 8, 2020 0 dvmills12 February 7, 2020 0 Comments What is a 7th sust chord. Don Mills Lee Answered question February 8, 2020 1 Answer ActiveVotedNewestOldest 0 Lee2.34K Posted February 8, 2020 0 Comments 7th Sus is a sus4 chord with a flat seventh. The note formula is 1, 4, 5, b7 Lee Answered question February 8, 2020 Add a Comment Write your answer. Register or Login