For the final episode of this series, Afrobeat musician Dele Sosimi and soprano Clare Norburn talk us through the importance of building a track's opening, and celebrate a visionary Abbess from the 12th century.

This takes the playlist of this series to 40, chosen and curated by Cerys Matthews and Jeffrey Boakye.

Presenters Cerys Matthews and Jeffrey Boakye Producer Jerome Weatherald

This week's five tracks added to the playlist:

O Frondens Virga by Hildegard von Bingen, sung by Emily D'Angelo Chariots of Fire by Vangelis Take me to the Mardi Gras by Bob James Riders on the Storm by The Doors It's Raining Men by The Weather Girls

Other music in this episode:

The Magnificent Seven by Elmer Bernstein O Frondens Virga by The Telling The City of Violets by Stavros Logarides Take me to the Mardi Gras by Paul Simon Peter Piper by Run-D.M.C. The Story of the Rhodes by Bluey and Friends, ft Tom O'Grady Also Sprach Zarathustra by Deodato Family Affair by Sly and The Family Stone (Ghost) Riders in the Sky sung by Vaughn Monroe Hardly Wait by P J Harvey, sung by Juliette Lewis