Soul music dominated the U.S. R&B chart in the 1960s, and many recordings crossed over into the pop charts in the U.S., Britain and elsewhere. By 1968, the soul music genre had begun to splinter. Some soul artists developed funk music, while other singers and groups developed slicker, more sophisticated, and in some cases more politically conscious varieties. By the early 1970s, soul music had been influenced by psychedelic rock and other genres, leading to psychedelic soul and progressive soul. The United States saw the development of neo soul around 1994. There are also several other subgenres and offshoots of soul music.