Complex sentence: Unusually for Louisiana musicians, Sundown's style of the blues was more in keeping with the sound of Muddy Waters than that of Jimmy Reed, and his sombre and melancholic recordings and instantly recognizable style were described by Miller as "the sound of the swamp".
Split into simpler sentences: Unusually for Louisiana musicians, Sundown's style of the blues was more in keeping with the sound of Muddy Waters than that of Jimmy Reed. His sombre and melancholic recordings and instantly recognizable style were described by Miller as "the sound of the swamp".