Repeat the “20 Minutes Warmup” but this time continue up to a high “D” and repeat as you did to high “C”. Then continue back down when the recording descends to the high “D”. You will need the following to continue with this practice routine- First Book of Practical Studies for Cornet and Trumpet by Robert Getchell Second Book of Practical Studies for Cornet and Trumpet by Robert Getchell 27 Groups of Exercises by Earl Irons Arban Complete Conservitory Method Technical Studies for the Cornet by H.L. Clarke 100 Studies by Ernest Saches Begin with the First Book of Practical…