Which was not characteristic rock n roll in the 1950s?

In the 1950s, rock 'n' roll was characterized by energetic rhythms, catchy melodies, and a fusion of various musical styles, particularly rhythm and blues, country, and gospel. However, elements like complex orchestration and lengthy compositions were not typical of the genre during this time. Instead, rock 'n' roll songs were often short, straightforward, and focused on themes of youth culture, love, and rebellion.