Home / Music / What key is Tchaikovsky's Symphony No. 1 in?Music linernotes album music pyotr-ilyich-tchaikovskyWhat key is Tchaikovsky's Symphony No. 1 in?Tchaikovsky’s Symphony No. 1 is in G minor, making it one of his earliest notable orchestral works. Search Amazon As an Amazon Associate I earn from qualifying purchases.Related NotesExploreExploreExplorePrevious What made 'Teardrop' the standout track on Mezzanine?Next What key is Tchaikovsky's Piano Concerto No. 1 in, and what key is its famous opening theme?