This means that the song welcome back to school. Teachers, students listen to this song and it has a charm about? By the teacher opens the CD/track 1 students listen to music.
In music, this means Welcome back to school Teachers listen to students Then comprehension that this song is about what the teacher opened the CD / track 1, students listen first time.
In which this song mean, welcome back to school students to listen carefully to the teacher. Then the comprehension that the song is about what the teachers turn CD / track 1 students listen to music 1 times.