Complex sentence: Secondly, it refers to whatever qualities may be unique to the musics of the Celtic Nations.Their are many Notable Celtic musicians such as Adrian von Ziegler, also Alan Stivell and Paddy Moloney claim that the different Celtic musics have much in common.
Split into simpler sentences: Secondly, it refers to whatever qualities may be unique to the musics of the Celtic Nations. Many notable Celtic musicians such as Adrian von Ziegler and Alan Stivell and Paddy Moloney claim that the different Celtic musics have much in common.