Music: Timeline

1150   Earliest textual reference made to Gypsies Roma people

The Roma People , sometimes "Romany Folk" in the British Isles, often referred to as Gypsies , are... 

 working as musicians (in Constantinople Constantinople

Constantinople was the capital of the Byzantine Empire [i] and following its fall in 1453 [i], of the O ... 

)

1925   Country-variety show ''Grand Ole Opry'' makes its radio Radio

Radio is the wireless transmission of signals [i], by modulation [i] of electromagnetic waves [i] ... 

 debut on station WSM (it would later become the longest-running live music show).

1945   The BBC Light Programme radio station Radio station

A radio station is an audio broadcasting [i] service, traditionally broadcast through the air as radio waves [i] ... 

 was launched, aimed at mainstream light entertainment and music.