Define the following terms as they pertain to poetry - madrigal, troubadour, ballad stanza, common meter, and blues.
A madrigal is a term most often used to describe a type of musical verse, but as it pertains to poetry, it is "a short, lyrical poem" whose subject is amatory, or about love. It originated in Italy, but migrated to England in the mid 1800s.
A troubadour was a traveling musician and reciter of poetry. Troubadours were popular in Europe during the Middle Ages, and made their living by providing entertainment in royal courts, fairs, and other venues. The term "troubadour" also refers to a writers of a certain type of lyric, amatory poetry during that same time period.
A ballad stanza is
"the four-line stanza, known as a quatrain, most often found in the folk ballad. This form consists of alternating four- and three-stress lines. Usually only the second and fourth lines rhyme."
Meter is the pattern of stressed and unstressed syllables in a poem. Common meter is a combination of iambic pentameter and iambic trimeter; this combination is used frequently by English poets because the result most closely resembles the cadence of speech. http://www.poets.org/viewmedia.php/prmMID/5814
The term blues, like the term madrigal, most often pertains to music, but as it concerns poetry, it is most often the lyrics set to a type of music which originated in African-American communities in the Deep South. The lyrics take many forms but most always address subjects which are melancholy; the word "blues" comes from "blue devils," which refers to sadness or depression.