A national Romantic, Šimkus helped resurrect the Lithuanian cultural organization Daina in 1916. In 1923, he opened a private music school in Klaipėda, which was soon converted into the national Lithuanian Conservatory (now called the Klaipėda Stasys Šimkus Conservatoire).
As a national Romantic, Šimkus helped restore the Lithuanian cultural organization Daina in 1916. In 1923, he opened a private music school in Klaipėda that was eventually converted into the national Lithuanian Conservatory (now called the Klaipėda Stasys Šimkus Conservatoire).