Below are a few. The rest in the article.
http://www.gq.com/story/living-legends-of-jazz
Coat $2,490 Ermenegildo Zegna Couture, sweater $345 Sandro, sunglasses Krewe, fez from Nigeria
Suit his own, shirt $345 Ermenegildo Zegna, hat $275 JJ Hat Center, scarf Kiton, pocket square Polo Ralph Lauren, shoes his own, bracelet Fratelli Rossetti, ring vintage
Blazer $2,395 shirt $1,045 pants $2,095 Giorgio Armani, vintage beret Hermès, sunglasses Melissa Eyewear, rings vintage
Suit jacket $1,198 vest $598 pants $398 John Varvatos, shirt $195 PS by Paul Smith, necklaces, from top Tiffany & Co. Miansai, rings Cartier, vintage cap Burberry, bracelet and glasses vintage