they would literally go into the studio and start writing. i had never known anything like that before. >> we don't usually write until the day we sing them. we usually write our lyrics in the studio itself. that seems to work through thick and thin. it always works for us. >> it's very hard to describe how we write. but the only way i can describe how we work at it is by becoming one mind. >> maurice had unique insight into the way robin and i thought. he would just be fiddling around on the piano. >> he would suddenly play something. what was that? >> he was trying to please us in the way he would all try to please each other. and that sometimes was the birth of a song. >> all of a sudden, we would wake each other's little instincts open. >> it's wonderful when it's taking shape. then it all blossoms. >> okay. we're ready to roll, right? they played the song, i worked the chords out.