He later became a vocal teacher, assisting singers such as Emma Abbott and Max Alvary.
Emma Goldman | Abbott and Costello | Abbott Laboratories | James Abbott McNeill Whistler | Emma | Emma Kirkby | Greg Abbott | Emma Samms | Emma Watson | Emma Thompson | Emma Bull | Berenice Abbott | Emma Bonino | Queen Emma of Hawaii | Jim Abbott | The Abbott and Costello Show | George Abbott | Emma Stone | Abbott Handerson Thayer | Emma Pollock | Derek Abbott | Paul Abbott | Monica Abbott | Emma Roberts | Emma, Lady Hamilton | Emma Heming | Emma Calvé | Edwin Abbott Abbott | Edith Abbott | Ashley Abbott |
As a musician and orchestra leader, Pratt worked with artists including Emma Abbott (serving as her manager for a time), Emma Thursby, Anna Bishop, Robert Heller, Alice Dunning Lingard, Ema Pukšec (Ilma de Murska), and Clara Louise Kellogg.