So, this is a bit of an odd question to ask, but there are substantial holes in my knowledge of music theory and I could use some help. Here's a little idea I recorded while I was practicing tonight and I can't figure out what key it's in or what scale it's built from. I believe the chords are an inverted F#maj7 (C# as the lowest note) to a Dmaj7. But the fill I throw in at the end of every four repetitions seems to be outlining a G#min7 to an Amaj. Any thoughts?