Musicology is the scholarly study of music
Music is an art form whose medium is sound and silence. Its common elements are pitch , rhythm , dynamics, and the sonic qualities of timbre and texture...

. The word is used in narrow, broad and intermediate senses. In the narrow sense, musicology is confined to the music history of Western culture
Western culture
Western culture, sometimes equated with Western civilization or European civilization, refers to cultures of European origin and is used very broadly to refer to a heritage of social norms, ethical values, traditional customs, religious beliefs, political systems, and specific artifacts and...

. In the intermediate sense, it includes all relevant cultures and a range of musical forms, styles, genres and traditions. In the broad sense, it includes all musically relevant disciplines and all manifestations of music in all cultures.

It is important to remember that there really is very little resembling criticism of any sort in musicology.

Susan McClary in Feminine Endings: Music, Gender, and Sexuality(1991), p.19-20. ISBN 0816618984