Presenting both jazz and the American popular song as concert-hall fare is hardly unprecedented.

For an incumbent to portray a challenger as too much of a risk is hardly unprecedented.

Nationalism in takeovers is hardly unprecedented, of course.

Ireland's unease over European expansion is hardly unprecedented.

Combining flamenco with Caribbean rhythms is hardly unprecedented.

A trans-Atlantic crossing by rowboat, though not routine, is hardly unprecedented.

All these are plausible if hardly unprecedented ideas.

Such an exercise is hardly unprecedented.

The lack of a consensus labor candidate is hardly unprecedented.

Speculation by sophisticated investors and financiers is hardly unprecedented: big names in business were crushed in the 1920's, too.