Spanning many genres, including classical, pop, rock, jazz and opera, and a variety of formats- from 78rpms produced in the 1900s to LPs from the 1980s-, the vast and valuable holdings of the Sound Archive at the Boston Public Library is now available for free via the Internet Archive. The collection can be explored by Year, Topics & Subjects, Language, Creator and Collection. Highlights include early American jazz and blues recordings, such as 11 sides from Paramount Records.