Mirja Breitholtz is a Swedish songwriter and producer.
She is living with artist and fellow songwriter Tony Nilsson.
she has contributed to a string of hits by well-known Swedish artists.
Many of her songs have featured in Melodifestivalen[2] and in Swedish Singles Chart.
She's also part of the producer duo 528 (together with Tony Nilsson) 528 writes mainly music to Film and TV Mirja is also the co-owner of the independent record label Hurdy Gurdy Noise