" At the age of 17, Mozart was hired as a court musician to the current ruler of Salzburg, Prince-Archbishop Hieronymus Colloredo. During his time touring as a young man, Mozart had gained quite a following among the court in his home province of Salzburg, and his appointment found him surrounded by admirers, as well as friends among the other court musicians. During his four years of employment with the court in Salzburg, Mozart had the opportunity to explore new genres of music and wrote several violin concertos (a genre he would never touch again after this period). "

― Hourly History , Mozart: A Life From Beginning to End