Yeah, Jeri, Dick Greenhaus painstakingly transcribed most or all of the melodies that appear in the Digital Tradition, usually with the first verse of the song. Those transcriptions are amazingly accurate, and are a testament to his talent and passion and precision. As for lyrics, he believed he should honor the efforts of those who sent him their transcriptions, so he usually included songs in the DT with little or no editing. That's why the accuracy of DT lyrics varies.

I'm really fussy about accuracy, so I try to ensure that threads have at least one transcription of a song that is documented as to source and is an accurate transcription of that source. And then I cross-link with the DT and other threads, and people can take their choice.