A year later, she signed an exclusive contract with Victor of Japan, debuting with the song "Sado Okesa" (佐渡おけさ) in 1931.

[4] In 1933, Katsutaro and Issei Mishima released the duet "Tokyo Ondo" in June or July during Bon Festival.

In the spring season of 1934, Katsutaro, Mishima Issei and Tamaki Tokuyama released the song "Sakura Ondo", which also became a big hit.

After the name change, she released more songs and became an even bigger star, with the songwriter Nagata Mikihiko (長田幹彦) dubbing her and rival geisha artist Ichimaru as "Emotional Katsutaro and Intellectual Ichimaru"; the time period of the mid 1930s when both were active and popular recording artists is known as the "Katsu-Ichi Jidai" (勝市時代) (lit., "Katsu-Ichi Era").

Katsutaro, having fallen ill whilst on the trip, met military physician Shinno Ryouichi.

A TV program called Natsukashi no Utagoe (Nostalgic Songs), which debuted in 1968, featured Katsutaro as a regular performer until just before her death.