"Doubts of today" by The Rhode Island Greening

What has become of the once so popular sixties flower power band The Rhode Island Greening? They used to have numerous chart hits and very elevating albums. They sounded fresh and happy. And even after their comeback in the early eighties they still were worth listening to.
But it's a long time since then.
Where have they been? What happenend to them?
So bring back the joy and the love by listening to their hit album "Doubts of today" (1971)...

"Doubts of today" by The Rhode Island Greening