The trio sonata originated in Italy and was extensively used by Corelli and Vivaldi. Leclair had a special talent which declared itself very early on in his instrumental output and especially in Op.4. The slow movements of this collection display a contrapuntal sense unique in the French music of the time.

The ensemble Rosasolis was founded in 2003 by musicians with aim to share their passion for 17th- and 18th-century vocal and instrumental music, and approach it in a true chamber-music spirit. Their sincere, lively and sensual interpretations have delighted and impressed numerous festival audiences and organisers over the years.