2025 stock When Pablo Casals rediscovered the cello suites of Bach at the beginning of the 20th century and firmly established them in the concert and record repertoire, the novel thing about it was that he played them "senza basso", i.e. without piano accompaniment - something that seemed quite unimaginable in the 19th century. In a time of music-historical over-maturity and experimentation, renowned composers soon came up with their own attempts, among them most famously Max Reger's "Solo Suit…