In music, the introduction is a passage or section which opens a movement or a separate piece. In popular music this is often called an intro. The introduction establishes melodic, harmonic, and/or rhythmic material related to the main body of a piece (Pease 2003, p.172).

Introductions may be an ostinato that is used in the following music, an important chord or progression that establishes the tonality and groove for the following music, important but disguised or out of context motivic or thematic material (ibid). As such the introduction may be the first statement of primary or other important material, may be related to but different from the primary or other important material, or may bear little relation to any other material.

See also

• outro
• song structure (popular music)
• musical form

Source

• Pease, Ted (2003). Jazz Composition : Theory and Practice. ISBN 0-87639-001-7.

References

• intro | NetSquared, a project of TechSoup.org Read the full post here: WackyPuppy Intro - Hi! I'm Alison Bradley Submitted by wackypuppy on May 28, 2007 - 11:31pm. Posted in
• Blah-Blah Text: Keep, Cut, or Kill? (Jakob Nielsen's Alertbox) Introductory text on Web pages is usually too long, so users skip it. But short intros can increase usability by explaining the remaining content's purpose.
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