Špela Mastnak (Celje, 1989.) studentica je četvrte godine studija udaraljki u klasi prof. Igora Lešnika na Muzičkoj akademiji u Zagrebu. Dobitnica je mnogih nagrada na državnim i međunarodnim udaraljkaškim natjecanjima, a kao solistica svirala je s nekoliko orkestara u Sloveniji. Aktivno sudjeluje na seminarima svjetski poznatih udaraljkaša i pedagoga. Svira i surađuje s raznim komornim ansamblima i orkestrima kao što su Simfonijski orkestar HRT, Zagrebačka Filharmonija, Slovenska Filharmonija, Zagrebački orkestar mladih.

Filip Merčep (1991.) student 2. godine na MA u Zagrebu u klasi doc. Ivane Bilic. Od samih početaka sviranja udaraljki osvajao je najviša odličja na brojnim državnim i međunarodnim natjecanjima. 2009. g. je pobijedio na natjecanju HRT-a i PBZ Carda za najboljeg glazbenika godine, a 2010. na natjecanju "Hrvatski glazbenik za Euroviziju" i tako je kao predstavnik Hrvatske, nakon 12 godina, izborio finale Eurovizijskog natjecanja. 

Filip je 2011. osvojio diskografsku nagradu "Porin" u kategoriji "najbolja izvedba klasične glazbe" i tako postao najmlađim dobitnikom te značajne nagrade. Te iste godine je osvojio i Nagradu Grada Samobora i godišnju nagradu "Ivo Vuljević" za najboljeg glazbenika te godine.

Kao solist svirao je sa Simfonijskim orkestrom HRT-a, Zagrebačkim solistima, Hrvatskim komornim orkestrom i mnogim drugim.

Duo je osnovan 2011. na inicijativu prof. Lešnika i prof. Bilić na MA u Zagrebu. U svega par mjeseci Špela i Filip su napravili značajan uspjeh, 1. nagrada na državnom natjecanju komornih sastava u Opatiji kao najuspješniji sastav među studentima, nastup u HGZ-u, te koncert sa Zagrebackom filharmonijom u KDVL krajem siječnja. 

Program:

Anders Koppel: Toccata za vibrafon i marimbu

Anna Ignatowicz: Passacaglia za marimbu i vibrafon

Špela Mastnak (Celje, 1989) is a student of the fourth year of percussion in the class of prof. Igor Lešnik at the Music Academy in Zagreb. She is a winner of numerous prizes at national and international percussion contests. As a soloist she has performed with several orchestras in Slovenia. She takes active part at seminars of well known world percussionists and pedagogues. Špela has performed and worked with different chamber ensembles and orchestras such as HRT Symphonic Orchestra, Zagreb Philharmonic, Slovenian Philharmonic, Zagreb Orchestra of the Youth.

Filip Merčep (1991) is a second year student of the Music Academy in Zagreb, class of Ivana Bilić. From the very beginning of percussion playing has won top prizes at numerous national and international competitions. In 2009 he was the winner of the HRT and PBZ Card competitions as the best young musician. In 2010 he was elected for the contest "Croatian musician for Eurovision" and as a Croatian representative after 12 years entered the finals of the Eurovision contest.

In 2011 Filip won the discography award "Porin" in the category of the best classical performance and became the youngest winner of this prestigious award. He is the recent winner of the Town of Samobor Prize as well as "Ivo Vuljević" Prize for the best musician of that same year. As a soloist he has performed with the HRT Symphonic Orchestra, Zagrebački solisti, Croatian Chamber Orchestra and others.

A duo was formed in 2011 at the initiative of the professors Lešnik and Bilić at the Music Academy in Zagreb. In just a couple of months Špela and Filip noted a significant success. They won the first prize at the state competitions of chamber groups in Opatija as the most successful ensemble of students, they performed at HGZ and will perform as soloists with the Zagreb Philharmonic at KDVL at the end of January.