- Category : Entertain-Music-Instrumentalist
- Type : GE
- Profile : 4/1 - Opportunistic / Investigator
- Definition : Single
- Incarnation Cross : JX Doubts
American classical pianist and composer, who at the age of 5, and without access to a piano, taught himself musical composition by reading an abridged encyclopedia.
Armstrong composes for a wide variety of ensembles in various styles and genres. His compositions include one symphony, five concertos, six quintets, seven quartets, two trios, five duos, and 21 solo pieces.