Watch the Sonora Spring: Pre-Chorus 1 online guitar lesson by John Jorgenson from Gypsy Jazz Journeys: Sonora Spring

The third phrase of the pre-chord also has a pick-up, playing a little bit of a scale. You've ended the last phrase on an E minor chord, and so the scale starts on the open high E string, leading back down to the same B that we started the first phrase with. Again, you want to end with a soft rake into the melody note.