Grosse Fuge in B flat Op.133 Grosse Fuge in B flat,Op.133 Grosse Fugue in B flat major Op.133 Grosse fuge in B-flat major, op.133 'Gross Fuge' in B flat major op.134 Grosse Fugue in B flat major Op 6. "Grosse Fuge" in B flat major, op. 133 Great fugue in B flat major op. 133 Great Fugue in B flat major,Op.133 Polonaise in A flat op. 53