Possible Clues:

• One has a point to set about it on the keyboard
• There's a tree for the playing in the middle of the street
• Start to turn around the keyboard on it
• Musical instrument with tuning peg fixed on the outside
• A comeback for Nell - the boot is put in for Welsh novelist
• They used to play on the point in the set
• Long way out musical instrument
• Instrument collection includes spike
• Instrument resembling a small harpsichord
• Grand alternative