29 a) was performed together with a work by Tōru Takemitsu and a work by Isang Yun in the concert, Orient Occident in Teatre Lliure in Barcelona in April and May in 1992.
29 b) was performed alongside a work by Tōru Takemitsu and a work by Isang Yun as part of the Orient Occident concert at Teatre Lliure, Barcelona, April-May 1992.