“I had an abortion!” Those were the words Petrol Girls vocalist Ren Aldridge started yelling when she saw pro-life protesters in front of an abortion clinic in Austria. “I had an abortion!” she shouted. “And I’m not sorry!” Soon after this encounter, Ren began participating in protests in Graz, Austria, where she now lives. “I thought a lot about that interaction and how it was [a] very serious interaction, and I had this real desire to make it ridiculous and theatrical,” she explains today. Ren talked to Petrol Girls guitarist Joe York about channelling the experience into a song. Originally, the track was supposed to be built around the lyric, ‘I had an abortion and I’m not sorry,’ before Joe suggested another: ‘Baby, I had an abortion.’ “For 1...