In no particular order:

Released in 2015

Brad Mehldau – 10 Years Solo Live

Hiatus Kaiyote – Choose Your Weapon

National Brass Ensemble – Gabrieli: Music for Brass Ensemble

The Punch Brothers – The Wireless

Kendrick Lamar – To Pimp a Butterfly

Snarky Puppy – Sylva

Roman GianArthur – Ok Lady Roman

Discovered in 2015

Sarah Jarosz – Live at the Troubadour

Lettuce – Live in Tokyo

Tauk – Homunculus

Caroline Shaw, Roomful of Teeth – Partita for 8 Voices