It's roman numerals.
ii equals 2
vii equals 7.
Beautiful song, Captain.
Thank you. And you're correct, it's just a Roman numeral: it's just the second song I did that I called Valentine's Day. (Lower case numeral as kind of a play on the fact that it's a bit sad, with lower-case Roman numerals indicating minor chords in music theory, and minor often indicating sad.)
Nice song Luther. I wish I could play the piano, I think writing a song on piano would be incredible.
Thank you. I wish I could play piano
well. I took a few months of lessons in third grade and had to pass a basic competence test in college to proceed with my music major, but I haven't had the discipline to become a decent player. I'm a bit of a plunker, coincidentally in the style of BW. Mostly just block chords for the architecture of the harmonic structure.