. . . . . . . . . . "5696"^^ . . "990986901"^^ . . . . . . . . . . . . . . . . . "The Concert Companion was a hand-held device intended to enhance concert experiences by presenting information that complements the music while the music is being performed. Using wireless technology, the Concert Companion delivered explanatory text, program notes and video images in real time with the music. The Concert Companion was developed under the auspices of the Kansas City Symphony by former executive director Roland Valliere."@en . . "9925071"^^ . . . . . . . . . . . . "The Concert Companion was a hand-held device intended to enhance concert experiences by presenting information that complements the music while the music is being performed. Using wireless technology, the Concert Companion delivered explanatory text, program notes and video images in real time with the music. The Concert Companion was developed under the auspices of the Kansas City Symphony by former executive director Roland Valliere."@en . . . "Concert Companion"@en .