In these places you can always find a good jazz concert in town. Močvara offers Jazz concerts twice a month, be sure to check out their website mocvara.com for exact dates and times, and you can also buy tickets online. On Wednesdays, the Sax club offers the New Croatian Jazz concert programme and admission is free. KCM in Kranjčevićeva Street offers jazz sessions, so stop by.
In the Zagreb jazz cycle at the Museum of Contemporary Art on November 15, In the Moment-Jure Pukl, saxophone,  December 5, Horizons-Alex Sipiagin, trumpet. Concert Jumbo Big Band will be held in the Vatroslav Lisinski Concert Hall on October 5. You can get tickets for 8 EUR.