OH! Did you sort of "hunt and peck" on the keyboard, until you felt like you had the melody right, and then transcribe what you had? Man, that's a labor of love.
No, it's really not that hard. I didn't "feel" I had the melody right -- I knew exactly how they sounded, and just needed to find the right keys on the keyboard. Like I said, I have relative pitch
, which means I can remember musical intervals accurately without needing sheet music. I also have a very good memory for music and sound patterns. If I hear something enough times, I can remember it almost perfectly. And these are music cues I've heard dozens if not hundreds of times.