What makes Carl Michael Bellman's lyrics important in Swedish literature?

Carl Michael Bellman is considered the greatest Swedish lyricist of the 18th century, distinguished by his ability to stand apart from the era's conflicting literary ideals. His importance in Swedish literature stems from several key factors:12

• Unique Artistic Synthesis: He combined stylized realism with humor and a uniquely delicate sense of language and rhythm. His work is noted for its vivid characterizations and a profound feeling for nature, which make his collections, such as Fredmans epistlar, unique in Swedish poetry.21
• Narrative and Dramatic Depth: While he began by writing popular drinking songs and parodies, his work evolved to include strengthened narrative and dramatic elements. He populated his songs with a rich gallery of middle-class Stockholmers, creating a distinct social landscape.1
• Musical Originality: Bellman was an outstanding poet-musician who performed his works to his own zither accompaniment. He skillfully adapted and revised tunes from French musical comedies, minuets, and arias, blending them with his own original compositions.1

His genius was recognized by his contemporary, the influential critic Johan Henrik Kellgren, who championed his work despite the period's rigid adherence to Classicist patterns.32