Giving reasons with because, for, since and as

A Read the article about music during the Spring Festival. Complete it with the clauses in the box.
a for it always brings back memories of good times
b Since it is often played in public spaces during the holiday season
c because he liked the song as well
d as they are an important part of our culture
What impresses me most about the Spring Festival is the music. The song "Gong Xi Fa Cai" always reminds me of joy and good luck. (1) , everything around me feels festive when I am out. Then, of course there is the Spring Festival Gala, which celebrates China's past and present. It is filled with lively pieces of music such as "Jin She Kuang Wu". It always ends with the song "Unforgettable Tonight".
I love music like this, (2) . These melodies make people happy because many of them are fast and lively. People also love them (3) . Even when I hear just a few notes of a song, it puts me in the holiday mood right away. The other day, I began to hum along with a holiday song while I was at the supermarket. Then the person behind me began humming (4) . I turned and smiled, and he smiled back. It looked like we were friends at that moment. That is the power of these holiday songs.
B Read the article about Xian Xinghai and complete it with the words in brackets and the expressions in the box below.
China was facing war and danger
he had noticed Xian's musical talent
his father died before he was born
the war stopped him from returning home
it represents the national spirit
he wanted to use music to help his country
Xian Xinghai is remembered as the "People's Musician". He was born in Macao in 1905. (1) (since), he was raised by his mother. She took him to Singapore when he was about seven because she needed to work there as a maid to support her family and help him go to school. When he was in Singapore, Xian's teacher invited him to join the school band, (2) (for). As an adult, Xian studied music in Beijing, Shanghai and then Paris. He returned to China in 1935 (3) (because). In Shanghai, he began working full-time as a composer. Many of his works were patriotic (爱国的) songs (4) (as). In 1938, Xian went to Yan'an. There, he wrote "The Yellow River Cantata". It celebrates the fighting spirit of the Chinese people. Since China was going through hard times, Xian wanted to give people hope and courage. Even today, many Chinese people remember "The Yellow River Cantata" (5) (because). Xian travelled to the Soviet Union in 1940. He never returned to China, (6) (for). He died of illness in 1945.
C Read the article about AI and music. Match the sentence halves and fill in the blanks.

Today, AI is becoming more common in music and other forms of art. (1) . As a pop musician, however, I see no problem with using AI in the right way. In fact, I find some AI tools quite helpful. Once, a recording of one of my outdoor concerts was ruined because of the sound of a plane. (2) . Another time, we needed a violin for a recording, but the violinist was ill. Since we had AI, we were able to save that recording. The truth is, (3) . People will still listen to music by human artists like me as they want to hear real emotions. (4) . However, AI tools are useful for musicians. (5) . For these reasons, I think AI is good for music, not bad.