Possible Clues:

• Expressed on paper
• Having taken up one's pen, puts it down like this
• With the creator of Peter Grimes cutting introduction already composed
• 27 down
• Court order a number to be taken down
• Had done a piece on the wild tit in 'Bird'
• How R went with it on paper
• Set down (on paper)
• Like many celebrity memoirs
• Made out tit, unfortunately, being swallowed by another bird