The artist's journey must involve the exploration of alternative styles, not only to strive for improvement in technique, but also to seek out innovation.
The categorisation 'contemporary' means merely keeping up with the crowd. 'Avant garde' is to be ahead.
Who knows …. maybe we will move away from only seeing pictures in little rectangles?
Apart from the flowers, each of these paintings has been mounted on a rectangular surround, for protection and presentation, but they could be removed to hang as an unusual shape on your wall.