Halla Margrét Árnadóttir (born 1964 in Reykjavik) is an Icelandic singer who has representated her country in Eurovision Song Contest 1987, in Brussels. At the contest she has sung the entry Hægt Og Hljótt (in english: Slowly and Quietly) with music and lyrics by Valgeir Guðjónsson and the conductor was Hjálmar Ragnarsson. Her song ended in 16th place (out of 22 countries) and has received 28 points. Nowadays Margrét is an opera singer.

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