 Complete the following phrase:  Pérez remained a member of the United Nation Orchestra until Gillespies passing in 1992. In December, 1989 he returned to his native Panama to perform for the first time with his own ensemble made up of musicians from the United States and Spain. About the engagement Pérez says, The concert got cancelled because two days after the band arrived, the US invaded Panama. The entire country was scared. We were fearful of the military intervention and the future was uncertain. But we all decided to improvise and face the unknown, as it happens in jazz, and we went forward with the concert, in the middle of the 