To improve his singing, Proeski took classes in New York from maestro William Riley, who was also coach to famous tenor, Luciano Pavarotti. When he returned, Proeski held humanitarian concerts throughout the Republic of Macedonia. He was awarded with the Mother Theresa Humanitarian Award and in 2003 he became a Regional UNICEF Ambassador.In 2004, MKTV chose Proeski to represent Macedonia at the 2004 Eurovision Song Contest in Istanbul, Turkey, and in February, he performed eight songs, where a jury, televote, and his own opinion chose the song. The song “Angel Si Ti” (“You’re an Angel”) was chosen by all three. In April, Proeski released his album “Den Za Nas” (“A Day For Us”), which featured the eight songs from the Eurovision selection in Macedonian.All eight songs were recorded in English, but only the winning song of the national final “Life” was released. During the TV national final show, after each song was performed, a clip of the song was played in English to show viewers how it would sound if that song won the contest and was performed in English at the Eurovision Song Contest 2004 final.
In 2004 Proeski was named a UNICEF Goodwill Ambassador, and recorded the song “This World” which became the UNICEF anthem. Proeski signed a contract with Dallas Records so his next album could be released in Croatia and Slovenia. To establish himself in these countries, Proeski recorded “Krajnje Vreme” with Slovenian singer, Anja Rupel. In 2005, Tose’s fifth album Po Tebe (After You) was released throughout ex-Yugoslavia. Po Tebe, is one of the most successful Balkan albums ever. It topped music charts for months in the Republic of Macedonia, Serbia, Croatia, Slovenia and Bosnia and Herzegovina.
Death
During the early morning of October 16, 2007, at 6:20 a.m., Proeski died in a car accident on the Zagreb–Lipovac highway near Nova Gradiska, Croatia. He was a passenger along with his manager Ljiljana Petrovic in a Volkswagen Touareg driven by Georgij Georgijevski. The Touareg crashed into the back of a truck and then into the median barrier, killing Proeski instantly, crushing the third vertebrae of the neck, although the truck sustained no damage. Proeski was asleep in the front passenger seat at the time of the crash.Proeski’s body arrived at midnight in Skopje by helicopter of the Macedonian army, and was transported by car to his home town Krusevo. Grieving citizens gathered to pay their last respects at the airport and also in Macedonia Square. The Embassy of the United States of America, the USAID and the Diplomatic mission of the European Union published official statements on the death of Tose Proeski.After his death, the government of the Republic of Macedonia, gave him the title “Honorable citizen of Macedonia”