In the Steppes of Central Asia.
This composer's second symphony contains a pentatonic theme in the finale that was reused for his ballet Mlada. A scherzo in A flat major is often added at the end of performances of one of his works that includes a nocturne and three mazurka movements, the Petite Suite. A tone poem by this man opens with a high E on the violin and uses pizzicato to portray the central action, while a set of instrumental works by this man were drawn from an opera completed by (*) Glazunov and organized into his Polovetsian Dances. This man's most famous work depicts a caravan crossing the titular locale, and he composed the bulk of Prince Igor. For 10 points, identify this member of the Mighty Five responsible for In the Steppes of Central Asia.
This composer's second symphony contains a pentatonic theme in the finale that was reused for his ballet Mlada.
Alexander {Borodin}