Harold en Italie, symphonie avec un alto principal (Harold in Italy, symphony with viola obbligato), as the manuscript describes it, is a four-movement orchestral work by Hector Berlioz, his Opus 16, H. 68, written in 1834. Throughout, the unusual viola part represents the titular protagonist, without casting the form as a concerto. The movements have these titles, alluding to a programme:
The Long Line
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