MONDAY JAZZ: Cozy Coffee Shop Ambience with Smooth Jazz Piano Music for Work & Study 
https://www.youtube.com/watch?v=HbQgLZI0Jds
relaxing jazz
MONDAY JAZZ: Cozy Coffee Shop Ambience with Smooth Jazz Piano Music for Work & Study
名曲J-POPピアノメドレー – Relaxing Piano Music 24/7 Live – 勉強用BGM, 作業用BGM, 結婚式BGM
https://www.youtube.com/watch?v=wNcN9pl0zhU
Elegant Blues – Whiskey Rock Music for a Relaxing Work Blues Escape | Unwind after Hours
https://www.youtube.com/watch?v=L1xwUKxpdJg
Most Relaxing Jazz Songs Ever 
Best Jazz Covers Of Popular Songs – Jazz Music Best Songs
https://www.youtube.com/watch?v=RlbCnSmwL_I