Original sentence: Probably we have to go back to Schubert to find a composer whose Opus 1 has attained the wide popularity of Svendsen's A minor string quartet, while his octet, Opus 3, added to his fame
Edited sentence: Probably we have to go back to Schubert to find a composer whose Opus 1 has attained the wide popularity of Svendsen's A minor string quartet, while his beautiful octet, Opus 3, added to his fame