Handel's collection is regarded as homage to Corelli's Concerti Grossi Op.6 and the enthusiasm of the audience Englichen for Italians, which led to "corellisierenden" works long after Corelli's death (1713). But Handel's Concerti Grossi in it's more than the model also. So he let's et al the Concertino act independently from Tutti, which he reached a wide varied musical history.