Sound and Symbol: Music and the External World (Bollingen Series XLIV)

1. His (Zuckerkandl) explanations of music theory were heavily indebted to the theories of musicologist Heinrich Schenker, and his understandings of musical perception owed much to Gestalt psychology, as well as German phenomenology. Zuckerkandl believed music was part of the "mystical aspect of human existence" and sought to explain its existence in all cultures as a universal phenomenon. He was not well known until scholars rediscovered his works in the 1990s. Source: GoodReads
2. An approach to music as an instrument of philosophical inquiry, seeking not so much a philosophy of music as a philosophy through music. Source: Princeton University Press 1969 edition