Studio 360 Edit this Published in Studio 360 Kochel Listen 6 min Queue Want to embed this player? Use the code below. More info. <iframe frameborder="0" scrolling="no" height="130" width="100%" src="https://www.wnyc.org/widgets/ondemand_player/wnyc/#file=/audio/json/106827/&share=1"></iframe> Share on Facebook Share on Twitter Email a Friend We'd have a harder time appreciating Mozart without the work of the mysterious figure whose "k." precedes all 626 of Mozart's works. WNYC's Sara Fishko has the story of Kochel, cataloguer of genius.