Tko su Louis Armsrting, Charlie Parker, Dizzy Gillespie, Miles Davis, Ella Fitzgerald i mnogi drugi, kako je nastao jazz, , kako jazz glazbenici komuniciraju, što je imporvizacija tj. što je jazz glazba uopće, zadarski učenici i profesori srednjih škola mogli saznali više u ponedjeljak 26.02.2007. u 12 sati u multimedijalnoj dvorani Gradske knjižnice Zadar. Predavanje Davora Hrvoja «Afro-američki jazz» povodom «Black History Month» organizirali su Američko veleposlanstvo Zagreb i Američki kutak Gradske knjižnice Zadar.
Who are Louis Armstrong, Charlie Parker, Dizzy Gillespie, Miles Davis, Ella Fitzgerald and many others, how did jazz become, how jazz-musicians communicate, what is improvisation or jazz music in general, students and teacher of Zadar high schools had the opportunity to learn on Monday, 26th of February, in the multi-purpose auditorium of Zadar Public Library. Afro-American jazz, lesson held by Davor Hrvoj as a part of Black History Month was organized by American Embassy Zagreb and American Corner Zadar.