09:32The Strand ArchiveEsa Pekka Salonen and technology arts appsBBC World Service Duration: 18 minutes Fri 4th Jan 2013, 09:32 on BBC World Service OnlineAvailable for over a yearListen nowEsa Pekka Salonen discusses the launch of his classical music app Show more GenresFactualArts, Culture & the MediaBrandThe Strand Archive Source: BBC Online