noun
maestro
MY-stroh/ˈmaɪstrəʊ/
A highly skilled person, especially in music or the arts.
The maestro leads the orchestra with a precise gesture of the baton.
Etymology
Latin magister supplies the idea of a master or director, applied to eminent musicians. The conductor sense specifically shortens an Italian title meaning 'master of the chapel,' connecting mastery with musical leadership.
In context
portrait of the maestro his music and his creative process told from the unique perspective of a musician lucky enough to play under his baton in over hundreds of rehearsals and concerts