Singer Jill Sobule, who made history with "I Kissed a Girl," which became the first openly gay song to break the Billboard chart's Top 20, died at 66.

Jill Sobule, who was in between performing live shows, died in a Minnesota house fire May 1, according to her representatives.

Fire officials in Woodbury on Friday morning were still trying to determine how and why Jill Sobule, the award-winning singer-songwriter and human-rights activist, died in a house fire in Woodbury early Thursday morning.