Originally Posted by: kvsealegs

I was working on a chord transition from an open Am to a barre F the other day, and as usual got bored with just jumping back and forth so I decided to try to work some other barre chords in as well within a key signature of G. OOPS, the F should be sharp....

In the key of G major, chord F# is diminished

G - Am - Bm - C - D -Em - F#dim