Original sentence: "They [the Buffy production staff] had hired some famous theme song composer to come up with a theme and they didn’t like the one he came up with so, they were kind of on a low budget, and asked local bands to come up with theme song ideas.In an interview they explain how they came to produce the theme;.The "Buffy theme" is the music played alongside the opening credits of the show, The theme itself has no lyrics, it begins with several notes played by an organ, a signifier for horror in movie culture from the 1930s onwards.The song sounds similar to a section of a German pop song from the Eighties called "Codo" by "Deutsch-Österreichisches Feingefühl" (DÖF), but in 2006, Nerf Herder said that they had "never heard of DÖF", and the similarity was coincidental.The theme was played by the punk rock band Nerf Herder
Edited sentence: In an interview they explain how they came to produce the theme; "[The Buffy production staff] had hired some famous theme song composer to come up with a theme and they didn’t like the one he came up with so, they were kind of on a low budget, and asked local bands to come up with theme song ideas.The "Buffy theme" is the music played alongside the opening credits of the show, it was played by Nerf Herder.The punk rock band, Nerf Herder, formed in 1994.The song sounds similar to  a German pop song from the Eighties called "Codo" by "Deutsch-Österreichisches Feingefühl" (DÖF), but in 2006, Nerf Herder have said that they had "never heard of DÖF", and the similarity was coincidental, but many people think that it was copied.The theme itself has no lyrics, it begins with several notes played by an organ, a signifier for horror in movie culture from the 1930s onwards