| | Many styles, or genres, of music are quite recognizable by the type of key structure they employ. | | Many styles, or genres, of music are quite recognizable by the type of key structure they employ. |
| − | In the eighteenth and nineteenth centuries, composers and contemporary writers on music believed that each major or minor key posessed a special character, or "affect," which influenced the content of the work being composed. For example, according to eighteenth-century author Johannes Mattheson, the key of D Major was associated with merriment and warlike music, while F Minor was the key of "deep despair and the heart's fear of death."<ref>Rita Steblin, ''A History of Key Characteristics in the 18th and Early 19th Centuries,'' 1983</ref> | + | In the eighteenth and nineteenth centuries, composers and contemporary writers on music believed that each major or minor key possessed a special character, or "affect," which influenced the content of the work being composed. For example, according to eighteenth-century author Johannes Mattheson, the key of D Major was associated with merriment and warlike music, while F Minor was the key of "deep despair and the heart's fear of death."<ref>Rita Steblin, ''A History of Key Characteristics in the 18th and Early 19th Centuries,'' 1983</ref> |