Editing Orchestra (section)

===Wagner's influence===
The next major expansion of symphonic practice came from [[Richard Wagner]]'s [[Bayreuth Festspielhaus|Bayreuth]] orchestra, founded to accompany his musical dramas. Wagner's works for the stage were scored with unprecedented scope and complexity: indeed, his score to ''[[Das Rheingold]]'' calls for six [[harp]]s. Thus, Wagner envisioned an ever-more-demanding role for the conductor of the theatre orchestra, as he elaborated in his influential work ''On Conducting''.<ref>{{cite book |first=R. |last=Wagner |author-link=Richard Wagner |year=1887 |trans-title=On Conducting |title=Ueber das Dirigiren |quote=a treatise on style in the execution of classical music |place=London, UK |publisher=W. Reeves}}</ref> This brought about a revolution in orchestral [[Musical composition|composition]] and set the style for orchestral performance for the next eighty years. Wagner's theories re-examined the importance of [[tempo]], [[dynamics (music)|dynamics]], [[Bow stroke|bowing of string instruments]] and the role of principals in the orchestra.