Summarizing the history of Irish music in few lines is impossible !
If you want more information, there are several books about this theme:
- A history about irish music (William H. Grattan flood)
- Traditional music and Irish society: historical perspectives (Martin Dowling)
- La musique irlandaise (Etienne Bours)
You can also have a look at differents websites:
- irish traditional music archive: http://www.itma.ie
Musicians and dancers in 19th century (Irish Film Archive)