▁two ▁principal ▁horn ▁positions ▁in ▁the ▁same ▁week — with ▁the ▁Metropolitan ▁Opera ▁Orchestra ▁and ▁the ▁Los ▁Angeles ▁Phil harm onic . ▁He ▁opt ed ▁to ▁remain ▁in ▁New ▁York ▁and ▁took ▁up ▁his ▁appointment ▁with ▁the ▁Met ▁at ▁the ▁start ▁of ▁the ▁ 2 0 1 0 / 2 0 1 1 ▁season . ▁ ▁He ▁has ▁been ▁a ▁member ▁of ▁the ▁fac ulty ▁at ▁the ▁Ju illi ard ▁School ▁since ▁ 2 0 1 2 ▁and ▁also ▁teach es ▁at ▁Mann es ▁College ▁The ▁New ▁School ▁for ▁Music , ▁and ▁the ▁Manh attan ▁School ▁of ▁Music . ▁ ▁Record ings ▁R als ke ' s ▁record ings ▁as ▁solo ▁or ▁principal ▁horn ▁include : ▁Mor ave c : ▁C ool ▁Fire . ▁N ax os ▁Records ▁ 8 5 5 9 3 9 3 ▁Take ▁ 9 ▁( American ▁Horn ▁Quart et , ▁ ▁New ▁York ▁Phil harm onic ▁Horn s ). ▁MS R ▁Class ics ▁ 1 0 8 9 ▁Aud ra ▁Mc Donald : ▁Build ▁A ▁Bridge . ▁N ones uch ▁Records ▁ 7 9 8 6 2 ▁ ▁References ▁▁ ▁Category : American ▁classical ▁horn ▁players ▁Category : J u illi ard ▁School ▁al umn i ▁Category : J u illi ard ▁School ▁fac ulty ▁Category : Met ropol itan ▁Opera ▁people ▁Category : L iving ▁people ▁Category : Date ▁of ▁birth ▁missing ▁( l iving ▁people ) ▁Category : Year ▁of ▁birth ▁missing ▁( l iving ▁people ) <0x0A> </s> ▁The ▁green ▁hum p head ▁par rot