Complex sentence: In music "Barococo" is H.C. Robbins-Landon's term for certain late Baroque and pre-Classic easy listening music, specifically "crisp, impersonal, concertante music" (Fink 2005, p.172).
Split into simpler sentences: In music "Barococo" is a term coined by musicologist H.C. Robbins-Landon which refers to a certain type of easy listening music that originated in the Baroque and pre-Classic periods. Specifically, Barococo music has been described as "crisp, impersonal, concertante music" (Fink 2005, p.172).