Music Cards for the Infant Community. Specifically designed for children under 3 years old to target distinction of instrument timber (sound). Excerpts from the 3 major eras of classical music : Baroque, Romantic, Classical are represented. Each excerpt is played by an instrument from the orchestra for the children to hear. By isolating the instrument, children will understand that is the "sound of the instrument'. A Teacher's Guide can be downloaded, free for registered users. Login to your account, click Downloads and then Teacher's Guide. Premade Teacher's Guides are also available for purchase, laminated for protection and contain extra information for the teachers.