- Sigma Alpha Iota was organized in 1903 to form chapters of women college students and alumnae who have a sincere interest in music. As of August 2001, our membership includes 96, 083 initiated members, 191 active college chapters, and 114 alumnae chapters throughout the United States. SAI announces the first annual Music Education Awards, to be presented at Centennial Convention in 2003... more ...www.sai-national.org