The lesson discusses the history and characteristics of the recorder, noting its primary use in Europe from the 16th to the 18th century, particularly during the Renaissance and Baroque periods. It explains how the recorder was commonly referred to as a “flute” in various languages, highlighting that the instrument was more accessible due to its simple mouthpiece design resembling a whistle. The lesson also describes the versatility of recorders in different sizes, allowing them to be played together in ensembles known as consorts, with the treble recorder being often highlighted in solo performances during the Baroque era.