He studied at the Faculty of Law of Lviv University (graduated in 1937) and Stryi branch of Mykola Lysenko Higher Music Institute.
In the 1930s, together with the violinist Leonid Yablonsky and the accordionist Anatoliy Kos-Anatolsky, he was a member of Jablonsky Jazz Chapel (Yabtso-Jazz; the soloist was Iryna Yarosevych).
The jazz band was a great success at parties of Lviv youth of the interwar period, in particular at corporate balls.
In 2001, with the participation of the composer's wife Olena Vesolovska (Zalizniak), the first collection of Vesolovsky's songs was published, which included 56 works.
[4] Late a famous Ukrainian singer Oleh Skrypka recorded two albums based on Vesolovsky's songs found in Toronto - "My Heart is Vulnerable" (2009)[5] and "Dahlia" (2011).