"Com'è profondo il mare" "How deep is the ocean" is a song of the author and Italian singer Lucio Dalla, this series of portraits are inspired (very modestly) by this song, which is a affresco of the humanity of a period, the 70s of the '900 and of a city, Bologna. A curiosity is that Lucio Dalla said he had been inspired for this song by a picture of Arnold Böcklin "depicting the sermon of St. Anthony and the fish in the collection of the Kunsthaus Zurich