  The analysis of a dense time-series on V974 Oph disclosed the rich
pulsational content (at least five independent terms) of this high-amplitude
(0.60 mag in B-light) Delta Sct star. A mode with a frequency very close to the
main one (probably the fundamental radial mode) has been detected: such a
doublet is not a common feature in stars of the same class. Also another term
can be considered a radial one, but the high ratio (0.786) raises some problems
that can be solved only by admitting very low metallicity. It is quite evident
that some undetectable terms are again hidden in the noise, as the
least--squares fit leaves a rms residual much higher than the observational
noise. All that considered, nonradial modes seem to play a key role in the
light variability of V974 Oph. Revealing an unsuspected asteroseismic interest,
V974 Oph provides a link between low- and high-amplitude Delta Sct stars. By
discussing other high-amplitude Delta Sct stars showing unusual period ratios,
it is evident that the asteroseismic approach is possible also for this class
of pulsators.
