Riemenscheider 129, Keinen hat Gott verlassen worked from the soprano part alone:

I found this resource for A level and first year university students very helpful and this time wrote  modulations and main cadences first:

http://www.choraleguide.com/

Boyd chorale exercise 5; my attempt

Score

boyd-chorale-exercises-5-bach-129-keinen-hat-gott-verlassen-as-worked-full-score

WAV audio file generated by Sibelius

Mine version has too many false relations but is I hope ‘singable’.  The final Tierce de Picardie is the one modification I put in after seeing the original BAch’ I’d forgotten about that option!

Bach original:

score

boyd-chorale-exercises-5-bach-129-keinen-hat-gott-verlassen-as-written-full-score

WAV audio file