source: He toured with the IPO in the spring of 1990 for their first-ever performance in the Soviet Union, with concerts in Moscow and Leningrad, and toured with the IPO again in 1994, performing in China and India.
target: He toured with the IPO in the spring of 1990 for their first performance in the Soviet Union, with concerts in Moscow and Leningrad, and toured with the IPO again in 1994, performing in China and India.
references: He toured with the IPO in the spring of 1990 for their first performance in the Soviet Union, with concerts in Moscow and Leningrad, and toured with the IPO again in 1994, performing in China and India. He visited with the IPO in spring 1990 for the first performance in the Soviet Union having music in Moscow and Leningrad and visiting with the IPO in 1994 to China and Indian. He toured with the IPO for their first performance in the Soviet Union. They had concerts in Moscow, Leningrad, China, and India. He toured with the  Israel Philharmonic Orchestra (IPO) in the Spring of 1990.  That marked the IPO's first-ever performance in the Soviet Union.  Concerts were held in Moscow and Leningrad.  He toured again with the IPO in 1994 when they performed in China and India. He toured with the IPO in 1990 and was there for their first performance in the Soviet Union, with concerts in Moscow and Leningrad, and toured with the IPO again in 1994, performing in China and India. He toured with the IPO in 1990. They performed in the Soviet Union for the first time. He also toured with the IPO in 1994 and performed in China and India. He toured with the IPO in the spring of 1990, their first-ever performance in the Soviet Union.  They played in Moscow and Leningrad. He toured with them again in 1994 in China and India. He toured with the IPO in 1990 with concerts in Moscow and Leningrad. He toured with them again in 1994 performing in China and India. He went with the IPO in 1990 for their performance in the Soviet Union, and again in 1994 performing in China and India. He did two tours with IPO in 1990 with his first ever performance the Soviet Union and again in China and India in 1994.