Dan Wilson is an American singer-songwriter and musician, known for his work as the lead vocalist and guitarist of the alternative rock band Semisonic. The band gained fame in the late 1990s with their hit song "Closing Time," which became a popular anthem and is still widely recognized today. In addition to his work with Semisonic, Wilson has collaborated with various artists and contributed to numerous projects in the music industry. He has written and produced songs for well-known musicians, showcasing his versatility and talent as a songwriter.