After the interest shown by the first portrait, I have created second iPad drawing of my son using the app "Brushes" - a gentle Sunday afternoon activity - this is the 'play-back' video showing how it was drawn. Thanks again to Glenn Armstrong of Coup d'Archet for permission to use the music - Johanna Martzy playing Johannes Brahms Sonata for Violin and Piano No.1 in G Major, Op.78 - 'Vivace ma…