411 REFERENCE · Wikibooks
IB Music/Prescribed Works-2014/Texture
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
(texture can refer to orchestration or the use of that instrumentation)
Prokofiev
As he is imitating the classical period, as his piece is neoclassical, he uses instrumentation of the classical period meaning that the texture can be seen as polyphonic with intervals of complex homophony and imitation.
Chen Yung
Thinner texture as the piano is emphasized and the orchestra is more for support. Sometimes there is a conversation (call and response) between the piano and the orchestra. The texture can be seen as homophonic as the piano is being featured, while the orchestra is playing more of an accompanying role.