During the last three decades of the twentieth century there was a progressive trend towards large vessels carrying greater numbers of animals.
This album confirmed the progressive trend of the band.
To Rudolf Wittkower, his style "vacillated between progressive trends, without absorbing them fully".
He also continued the progressive trend in the church and first suggested the change in its identity to the Community of Christ.
The basic style of even his later works is academically post-Romantic, resisting any influence of progressive trends except perhaps in orchestration.
This model promoted the assumption that evolution is based on a progressive trend with the human race as its goal.
Unlike most of his contemporaries, Darwin realized that the human race was not the predictable end-product of a universal progressive trend.
Let me testify that this is a departure from the progressive trend that prevailed in the late 60's.
Stylistically, Soriano's music is much like Palestrina's, but shows some influence from the progressive trends prevalent around the turn of the century.
Sometimes progressive trends can be seen in Parliament, while at other times decidedly conservative trends prevail.