The person who made the above disrespectfull entry without ANY FACT and shows his very limited knowledge of RB Soul groups in the mid to late s by claiming Doo Wop groups used Hammond B only in the s show his ignorance of not just The Parliaments during  but also has No credibile knowledge of what the instrumentation was of Soul bands in the mid to late s people who disrespect someones postings shoud be respectful enough to leave their email address to contact the person before trying to discredit their claimsMy email addres is available but its unlikely that this person who made the Ignorant comments above will contact meThese are the kind of people who discredit this very valuable reference web siteIm not sure if you can post your email address but if the above person would be so kind to contact me its bcaolcom   Thank youhope to hear from you