At six years of age, Knez sang "Bio jednom jedan lav" on the Naša Radost Festival in Titograd, (now Podgorica). He was schooled in the same city. Whilst in high school, he began his first band, Visoka frekvencija (English: High Frequency), with guitarist, Leo Đokaj. With the band, he created the songs, "Da l' si ikada mene voljela" and "Kao magija". Later, he created The Moon Band, which appeared on the Montenegrin coast. He later created the Montenegro Band with his father, Milija Knežević.
In 1992, Knez began his solo career and appeared at the Belgrade Pop Festival, Mesam, with the song, "Da l' si ikada mene voljela". In that same year, Knez recorded his first album, Kao magija, with the help of former band member, guitarist Leo Đokaj and songwriters, Ljubo Jovović and Zlatko Jovović. In 1994, Knez recorded his second album, Iz dana u dan. In 1996, Knez recorded his third album, Automatic. This album was the highest-selling album. The biggest concert he had in his career was in Sava Center. In 1999, a compilation was released under the name, The Best of Knez, which included 18 old songs, 2 new songs, "Nijedna žena na svijetu" and "Ti ne znaš ko sam ja", and a remix of "Kao magija". In 2000, he competed in the Budva 2000 Festival with the song, Vjeruj, which won the first place. In 2001, Knez recorded his fourth album, Daleko, visoko. In 2003, Knez recorded his fifth album, Ti me znaš. He won the third place at the Music Festival Budva 2006.
In 2005, Knez recorded his sixth album, Vanilla.
Parallel to his solo career, Knez wrote and produced songs for other performers. The most popular of these would be turbofolk superstar Ceca for whom Knez wrote three songs, including big hits "Mrtvo more" and "Usnula lepotice".
|none||Various||Mi Nismo Sami (as Knez) Various - Dance Hits Summer '97 (CD, Album)||PGP RTS||none||Yugoslavia||1997||Sell This Version|
|Various||Adio (as Knez) Various - Eurovision Song Contest Vienna 2015 - Building Bridges (Album, Comp)||Universal Music Group||2015||Sell This Version|
|310027||Various||Samo Ti (as Knez) Various - Pjesme Mediterana Budva '94. (3xLP, Comp)||PGP RTS||310027||Yugoslavia||1994||Sell This Version|
|none||Various||Da Li Si Me Ikad Volela Rmx 94 (as Knez) Various - Pop Disco Mix Vol. 1 (Cass, Comp)||DMC||none||Yugoslavia||1994||Sell This Version|
|CD 10002||Various||Hajde Ljubavi (as Knez) Various - Dance Collection 2 (CD, Comp)||Košava||CD 10002||Yugoslavia||1995||Sell This Version|
|none||Various||Sve Su Druge (as Knez) Various - Košava Collection 4 (2xCD, Comp)||Košava||none||Yugoslavia||1997||Sell This Version|
|none||Various||Mia Bella Signorina (as Knez) Various - Srećni Praznici (Cass, Comp, Promo)||PGP RTS||none||Yugoslavia||1998||Sell This Version|
|CD 070||Various||Mia Bella Signorina (as Knez) Various - Rap Dance Compilation 5 (CD, Comp)||CentroScena||CD 070||Yugoslavia||1999||Sell This Version|
|RG-0096||Various||Ti Neznaš Ko Sam Ja (as Knez) Various - Hitomania No.5 (CD, Comp)||Raglas Records||RG-0096||Yugoslavia||1999||Sell This Version|
|CD 012, CD 099||Various||Majmun Radi (as Knez) Various - Dream Team Presents Vol.2 (CD, Comp)||Best Records (4), JVP Vertrieb AG||CD 012, CD 099||Yugoslavia||2000||Sell This Version|
|none||Various||Vjeruj (as Knez) Various - Budva 2000 (2xCD, Comp)||AMC Adriatic Media||none||Yugoslavia||2000||Sell This Version|
|Various||Trešnje Bijele (as Knez) Various - Super Hitovi Vol. 3 (Comp)||City Records (2)||Yugoslavia||2001||Sell This Version|
|Various||Daleko, Visoko (as Knez) Various - Super Hitovi Vol. 2 (Comp)||City Records (2), City Records (2)||Yugoslavia||2001||Sell This Version|
|Various||Malo Po Malo (as Knez) Various - Super Hitovi Vol. 4 (Comp)||City Records (2)||Yugoslavia||2001||Sell This Version|
|CD 090||Various||Koketa (as Knez) Various - Dream Team Presents Vol. 6 (CD, Comp)||Gold Music, JVP Vertrieb AG||CD 090||Yugoslavia||2002||Sell This Version|
|CD 2164||Various||Đede Niko (as Knez) Various - Pop Rock Dueti (CD, Comp)||Taped Pictures, PGP RTS, Jukom, Croatia Records, Goraton||CD 2164||Slovenia||2002||Sell This Version|
|CD018||Various||Pobijedila Si Ti (as Knez) Various - Sunčane Skale - Pro Monte 2002 (Pjesma Ljeta 01) (CD, Comp)||RTV BK Telecom||CD018||Yugoslavia||2002||Sell This Version|
|CD 022, CD022||Various||Pobijedila Si Ti (as Knez) Various - Sunčane Skale 2002 (The Best Of) (CD, Comp)||RTV BK Telecom, RTV BK Telecom||CD 022, CD022||Yugoslavia||2002||Sell This Version|
|Various||Pola Ljubavi (as Knez) Various - Super Hitovi Vol. 12 (Comp)||City Records (2)||Serbia and Montenegro||2003||Sell This Version|
|Various||Najbolja (as Knez) Various - 17 Mega Hitova Vol. 3 (Comp)||Goraton||Yugoslavia||2003||Sell This Version|
|Various||Nema Ljubavi (as Knez) Various - Super Hitovi Vol. 13 (Comp)||City Records (2)||Serbia and Montenegro||2003||Sell This Version|
|Various||U Nedelji Sedam Dana Ima (as Knez) and 1 more… Various - Zvezde Pevaju Za Decu (Comp)||RTV BK Telecom||Serbia and Montenegro||2003||Sell This Version|
|CD 000 274, CD 000274||Various||Pola Ljubavi (as Knez) Various - The Best Of 2003/4 (CD, Comp)||City Records (2), City Records (2)||CD 000 274, CD 000274||Serbia and Montenegro||2003||Sell This Version|
|Various||Mala (as Knez) Various - Radijski Festival (Comp)||City Records (2)||Serbia and Montenegro||2004||Sell This Version|
|CD 414657||Various||Navika (as Knez) Various - Evropesma - Evropjesma SCG 2004 (CD, Comp)||PGP RTS||CD 414657||Serbia and Montenegro||2004||Sell This Version|