While your query likely refers to a digital archive (RAR) of his collected Mahler recordings, such as the Warner Classics series , the following points outline the significant academic and critical perspectives on his Mahler interpretations: Significant Eras of Mahler Interpretation
Sir Simon Rattle is widely recognized as a preeminent interpreter of Gustav Mahler's works, a composer who inspired his initial pursuit of music. His recordings of Mahler span his entire career, from his transformative tenure with the to his leadership of the Berlin Philharmonic and his current work with the Bavarian Radio Symphony Orchestra (BRSO) .