Exegesis

1. "I'd better tie a string around your finger to remind you."
Movement 1 Scene 1
Orpheus to Eurydice
You can tie a string around your finger to remind you to do something. These types of aids only remind you that there is something to remember.
http://www.braingle.com/mind/462/external-aids.html

2. "If anyone finds out they might dip me in the River again."
Movement 2 Scene 2
Father's Wedding Letter
http://www.theriverstyx.net/river.shtml
In this story, the River Lethe is called the River of Forgetfulness.

3. "Don't sit under the apple tree with anyone else but me..."
Movement 2 Scene 4
Orpheus and Eurydice wedding dance
ARTIST: Glenn Miller
TITLE: Don't Sit Under the Apple Tree
Lyrics and Chords
http://www.guntheranderson.com/v/data/dontsitu.htm

4. "Father tries to remember how to do the jitterbug"
Movement 2 Scene 4
Stage direction for Father during the wedding scene
The Jitterbug is a popular swing dance, also known as the Lindy Hop and East Coast swing. This how to video demonstrates a series of 6-count Jitterbug steps.
http://www.wonderhowto.com/how-to/video/how-to-do-jitterbug-dance-steps-223803/

5. "It's a very quiet language. Like if the pores on your face opened up and wanted to talk."
Movement 3 Scene 3
The Stones to Eurydice
O Gods who rule the dark and silent world.
Hades is referred to as the world of dark and silent, the stones are describing this phenomenon to Eurydice.