This excellent recording features the most important church music Kostiainen composed for a cappella choir and here sung by The Musica Choir. The title work Regina Angelorum is one of best known work for the female choir by Kostiainen. Kostiainen was awarded the 'Goldene Stimmgabel' prize of the European Association of Choirmasters in the year 1995.

The Musica Choir recorded the 3rd part of Kostiainen conducts Kostiainen' series, I've Got a Sweetheart, in the year 2000. On disc you can hear among others the best known folklore based works for the mixed choir, such as the title song and the arrangement for choir of the Ostrobthnian folk song 'Veret tuli mun silimihini' (I Got Tears in These Eyes of Mine). In addition there is maybe the most often performed piece of work by Kostiainen 'Jaakobin (isot) pojat' (The (Grown-up) Sons of Jacob) and some new works composed into Kalevala texts. SULASOL (The Finnish Association of Choirs) and The Finnish Association of Choirmasters selected this disc as 'A Choir Disc of The Year 2000'. The Musica Choir had the honor to be the first choir receiving this award to outside the Capital City of Finland.

Kostiainen conducts Kostiainen' discs was released in 2003. The Musica Choir recorded Kostiainen's suites for a mixed choir, partially based on Ingrian folklore lyrics (The Bridegroom's Arrival Songs 1- II and Mary's Story), some texts for the works are selected from the national epic Kalevala (The Tracing of Frost). On the disc there are also some humour Kostiainen likes to cultivate in his works i.e. The Satirical Suite to the lyrics by Lauri Viita.

On March 2007 was released the disc 'Oh Lord, please take my hand' where the Musica Choir recorded Pekka Kostieinen's choral arrangements of the well known and also not so well known Finnish psalms and spiritual hymns. Psalm arr.s at the same time are a minor cross section about the career of the composer, the oldest are from 60s and the latest from 2000-tale. This is the 5th disc of the series 'Kostiainen conducts Kostiainen'