fulsome: adjective

    1 complimentary or flattering to an excessive degree:the press are embarrassingly fulsome in their appreciation
    2 of large size or quantity; generous or abundant:the fulsome details of the later legend
From: http://oxforddictionaries.com/definition/fulsome

I reckon the first meaning is accurate from Bruce's perspective, while the second meaning, as used by John MacKenzie, is apt from the view of those who appreciate his music.

Maeve