Original sentence: He tuned his 7 strings to [Low to High] Db Gb B E Ab Db Db and tuned his 4 string to [Low to High] F# F# B E, with the lowest F# string being a bass guitar string, with that lowest F# being one whole octave below the preceeding F# string
Edited sentence: He tuned his 7 strings to [Low to High] Db Gb B E Ab Db Db and tuned his 4 string to [Low to High] F# F# B E, with the lowest F# string being a bass guitar string, with that lowest F# being one whole octave below the preceding F# string