VI7 roman degree
The V OF ii — an applied dominant pushing toward ii (the 'rhythm changes' flavour). A major VI with a 7th tonicising the predominant.
Where it lives
9semitones from the tonic
Major mode
dominant 7th
9semitones from the tonic
Minor mode
dominant 7th
Hear it in context: Secondary Dominant (V of ii)
Piano sound loads on first tap. Resolved in the key of C — every chord links to its full analysis.