Complex sentence: Stravinsky dedicated a transcription for violin and piano of three pieces from "The Firebird" to Kochanski, who participated in two of Rubinstein's recitals at Bechstein Hall in 1914, one of which was devoted entirely to contemporary music.
Split into simpler sentences: Stravinsky dedicated a transcription for violin and piano of three pieces from "The Firebird" to Kochanski. Kochanski participated in two of Rubinstein's recitals at the Bechstein Hall in 1914, one of which was devoted entirely to contemporary music.