Complex sentence: At the time, a career in music in Ukraine meant having an unstable income, causing Leontovych to seek employment wherever he could find it; in Kiev, Yekaterinoslav, and Podolia guberniyas over the next few years in order to remain gainfully employed.
Split into simpler sentences: At the time, a career in music in Ukraine meant having an unstable income, causing Leontovych to seek employment wherever he could find it. Leontovych worked in Kiev, Yekaterinoslav, and Podolia guberniyas over the next few years in order to remain gainfully employed.