Music of Maryland characterized by the use of the B3 organ. Many modern Baltimorean jazz musicians are renowned saxophonists, including Gary Thomas, Gary Bartz and the Afro-Caribbean influenced TK Blue. Internationally acclaimed jazz ensemble Fertile Ground are also based in Baltimore. Talking Heads lead singer David Byrne lived in Baltimore. Jimmie's Chicken Shack, Clutch, Good Charlotte, All Time Low, and O.A.R. are other popular American rock bands with strong ties to Maryland. Mama Cass Elliot of The Mamas & the Papas was from Maryland, and began her singing career there. Another Maryland band similar to the Mamas and Papas, the Peppermint Rainbow, was
Big mama chatrooms are censored in real time; when someone posts a politically risky comment big mamas send them an email warning from Yahoo and their post cannot be seen by others. Yahoo in 2002 signed a Public Pledge on Self-discipline (known as The Pledge) promising to regulate chatrooms in line with the Chinese governments laws and regulations. Approximately 300 other companies signed this pledge, many of which also use big mamas and other technologies to censor users and information. All chatrooms and bulletin board systems and news agencies in Chinese cyberspace have a big mama that decide what content is acceptable