Task: Query_Product_Rank
Instruction: Evaluate each product title in the given list, assess its relevance to the given query, and then arrange the products in descending order of relevance, with the most relevant product at the top of the ranked list.

Input:
Query: plixio 61 key digital electric piano keyboard
Product list:
A: RockJam 61 Key Keyboard Piano With LCD Display Kit, Keyboard Stand, Piano Bench, Headphones, Simply Piano App & Keynote Stickers
B: Digital Electronic Musical Keyboard - Kids Learning Keyboard 49 Keys Portable Electric Piano w/ Drum Pad, Recording, Rechargeable Battery, Microphone - Pyle PKBRD4112 Black
C: Logitech MK345 Wireless Combo Full-Sized Keyboard with Palm Rest and Comfortable Right-Handed Mouse, 2.4 GHz Wireless USB Receiver, Compatible with PC, Laptop
Answer: A,B,C