James Nelson Gingerich
Roles undertaken (and minuted)
- 2015: Harmonia Sacra: prayer
- 2014: Harmonia Sacra: host
- 2013: Harmonia Sacra: host
- 2012: Harmonia Sacra: host
- 2010: Harmonia Sacra: host
- 2005: Harmonia Sacra: prayer
- 2001: Harmonia Sacra: singing-school
- 1999: Harmonia Sacra: singing-school