Organ works by Kristina Arakelyan (left) and Ghislaine Reece-Trapp will be performed at the BBC Proms this year. The Royal Albert Hall organ will be heard in two organ concerts during this year's BBC Proms, and both events demonstrate a refreshing and diverse approach to programming, showcasing music by a wide range of composers, including two world premieres. On Saturday 26 August (Prom 54) Canadian organist Isabelle Demers makes her Proms debut. Organ transcriptions are now firmly back in the organ concert mainstream, with many top organists eager to show off their arranging skills.  Demers includes…