Palestrina (1525-1594) was the founder of the Roman School of Music and an Italian composer. He was the largest Catholic composer in history. He composed a large number of polyphonic masses throughout his life. , motets, hymns, religious pastorals and secular pastorals, creating a solemn and clear a cappella style. Known worldwide as Palestrina style. In his works, you can vaguely appreciate the humanistic ideological tendency in the songs, and they are also full of strong human touch and life interest. In the later period, Palestrina tried to simplify the complex and intricate polyphonic texture, The use of clear-cut chord writing makes the lyrics easy to hear. The "Crucifixion" in his work "Two Whole Note Mass" has this style. Palestrina's successors also used Roman-style The combination of a cappella chorus and Venetian-style group chorus makes the chorus effect one after another and complement each other. This singing style continued into the Baroque period. Villarte (1485-1562), the founder of the Venetian School, was the music director of St. Mark's Basilica in Venice. Inspired by the contrast in timbres caused by the alternating playing of two pipe organs, Villarte used "group chorus" in vocal works. Inspired by him, his successor Andrei and others developed this principle, resulting in the "Venetian style" that is magnificent and gives echo effects. Orlando di Lasso was the largest composer of the Flemish school (the main musical school of the Renaissance). He paved the way for the transition from polyphonic music to tonic music. His works are almost all vocal music. ***There are more than 2,000 songs. Among them are masses. Motet . Hymns and secular musical compositions. Like an Italian pastoral. France's Chanson, Germany's Lieder, etc. Russo’s work is breezy and accessible. Full of human touch. The famous work "Poor Man" interweaves vocals with instrumental accompaniment. echo each other. It can be said to be the most wonderful song. Russo's works are very interesting in life. His humor and personality are often reflected in his lyrics. The lyrics in "I'm a poor man" goes like this; I'm a poor man. What did you do? Married a concubine. It would be nice if I didn't marry. You can certainly imagine our daily quarrels from the table to the bed.