Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: (Set of 7) Music Themed Cookie Cutter: Instrument and Note Shaped Cutters
Product description: Molds and Things on Amazon.com for your all bakery needs like Cake making tools, Chocolate Molds, Candy Melts Wafers, Cookie cutter, Fondant Mat, Silicone mat.
Product feature: Hand wash and dry thoroughly before storing., Wipe with damp cloth to clean, Tinplated steel Musical cookie cutter set. Includes Piano 3.75", Music Note 5", Music Note 3.5", G Clef 4.25", Guitar 4.5", Violin 4.5", and Mini Music Note. Hand wash and dry thoroughly before storing.
Product price: $8.72
Target attributes: Quantity
Answer: attribute: quantity
value: set of 7) music
source: product title