Edwardian Mahogany Piano Stool / Music Stool with Lyre Support & Green Velvet Seat c.1900–1910. A charming and authentic Edwardian mahogany piano stool dating from the early 20th century, featuring an elegant circular upholstered seat raised on beautifully shaped cabriole legs with a decorative lyre-form central support, a classic design associated with music and piano furniture of the period.