Musicians from Macao Orchestra perform at MGM Cotai in Macao, south China, Aug. 29, 2020. The orchestra performed "Symphony No. 6 in F major, Op. 68" here on Saturday to commemorate the 250th anniversary of the birth of composer and pianist Ludwig van Beethoven. (Xinhua/Cheong Kam Ka)

Musicians from Macao Orchestra perform at MGM Cotai in Macao, south China, Aug. 29, 2020. The orchestra performed "Symphony No. 6 in F major, Op. 68" here on Saturday to commemorate the 250th anniversary of the birth of composer and pianist Ludwig van Beethoven. (Xinhua/Cheong Kam Ka)

Musicians from Macao Orchestra perform at MGM Cotai in Macao, south China, Aug. 29, 2020. The orchestra performed "Symphony No. 6 in F major, Op. 68" here on Saturday to commemorate the 250th anniversary of the birth of composer and pianist Ludwig van Beethoven. (Xinhua/Cheong Kam Ka)

Musicians from Macao Orchestra perform at MGM Cotai in Macao, south China, Aug. 29, 2020. The orchestra performed "Symphony No. 6 in F major, Op. 68" here on Saturday to commemorate the 250th anniversary of the birth of composer and pianist Ludwig van Beethoven. (Xinhua/Cheong Kam Ka)

A musician from Macao Orchestra performs at MGM Cotai in Macao, south China, Aug. 29, 2020. The orchestra performed "Symphony No. 6 in F major, Op. 68" here on Saturday to commemorate the 250th anniversary of the birth of composer and pianist Ludwig van Beethoven. (Xinhua/Cheong Kam Ka)

A musician from Macao Orchestra performs at MGM Cotai in Macao, south China, Aug. 29, 2020. The orchestra performed "Symphony No. 6 in F major, Op. 68" here on Saturday to commemorate the 250th anniversary of the birth of composer and pianist Ludwig van Beethoven. (Xinhua/Cheong Kam Ka)