The document summarizes popular music genres and songs from the 1990s. It includes alternative rock songs like "Smells Like Teen Spirit" by Nirvana and "Losing My Religion" by R.E.M. as well as pop hits such as "Baby One More Time" by Britney Spears and "Wannabe" by the Spice Girls. Songs are also listed from genres like heavy metal, contemporary R&B, and indie rock.