Possible Clues:

• Discussed bargain that's delivered as one leaves
• Adios, hwyl fawr or arrivederci
• A departure in song-writing
• I'm off to travel round Germany via Spain
• The last word, often
• and 16: Somebody rich needing GP for massaging work?
• I'm going to depart, body failing, end of life
• Damaged body consumed by unstable ego? That's some parting shot!
• So you're going to get a bargain here, by the sound of it