I finally decided to attempt the 2nd half of page 2 of The Heart Asks Pleasure First. I listened to the tune, learned the bass clef, but couldn't get the treble clef to work. Thankfully without spending too much time on it I asked Hagos's opinion, and he pointed out there was now a bass clef where the treble clef usually is, and that I should treat the top clef as a bass clef also.
What a revelation!
I saw the bass clef on the top stave but managed to ignore it and press on regardless. So now the tune sounds divine - lovely and bassy and deep - so beautiful.