Bring in 2020 with a bang! (Or a shake, or a whistle…) Charlie Mack’s Playtime Orchestra invites you and your family to our regular workshop sessions. Make, play and collect a new Mackintosh-style musical instrument in each session. Bring in 2020 with a bang! (Or a shake, or a whistle…) Charlie Mack’s Playtime Orchestra invites you and your family to our regular workshop sessions. Make, play and collect a new Mackintosh-style musical instrument in each session.