WBOS is a commercial radio station located in Brookline, Massachusetts

Brookline, Massachusetts

Brookline is a town in Norfolk County, Massachusetts, United States, which borders on the cities of Boston and Newton. As of the 2010 census, the population of the town was 58,732.-Etymology:...

, broadcasting to the Greater Boston

Greater Boston

Greater Boston is the area of the Commonwealth of Massachusetts surrounding the city of Boston. Due to ambiguity in usage, the size of the area referred to can be anywhere between that of the metropolitan statistical area of Boston and that of the city's combined statistical area which includes...

 area on 92.9 FM

FM broadcasting

FM broadcasting is a broadcasting technology pioneered by Edwin Howard Armstrong which uses frequency modulation to provide high-fidelity sound over broadcast radio. The term "FM band" describes the "frequency band in which FM is used for broadcasting"...

. The station airs a mainstream rock

Mainstream rock

Mainstream rock is a radio format used by many commercial radio stations in the United States and Canada.-Format background:...

 format branded as "Radio 92.9". WBOS is owned and operated by Greater Media

Greater Media

Greater Media, Inc., known as Greater Media, is an American media company that specializes in radio stations. The markets where they own radio stations include Boston, Detroit, Philadelphia, Charlotte, and the state of New Jersey...

, which is based in Braintree

Braintree, Massachusetts

The Town of Braintree is a suburban city in Norfolk County, Massachusetts, United States. Although officially known as a town, Braintree adopted a municipal charter, effective 2008, with a mayor-council form of government and is considered a city under Massachusetts law. The population was 35,744...

, and broadcasts from the top of the Prudential Tower

Prudential Tower

The Prudential Tower, also known as the Prudential Building or, colloquially, The Pru, is a skyscraper in Boston, Massachusetts. The building, a part of the Prudential Center complex, currently stands as the 2nd-tallest building in Boston, behind the John Hancock Tower. The Prudential Tower was...

 in Boston's Back Bay.
WBOS-FM signed-on in 1958, simulcasting most of the programming of WBOS (AM). Most of the AM station's programming was beautiful music

Beautiful music

Beautiful music is a mostly instrumental music format that was prominent in American radio from the 1960s through the 1980s...

, but when the AM side began to broadcast ethnic programming, the FM side continued to broadcast beautiful music, which was branded on both AM and FM as "Boston's Music Theatre".
In 1975, WBOS changed to a hodgepodge format which did not gain much of an audience.
In 1978, Boston radio personality Ron Robin, disgusted at the fact that the airtime for his weekly disco music show on WVBF had been cut back, left WVBF and began doing a four-hour Sunday-night disco show for WBOS.

The success of that show led to rapid expansion of the disco programming, first to seven nights a week from 8 p.m.