What makes 4 by Zalagasper notable?

This album marked a significant step in Zalagasper's career, garnering critical acclaim in Slovenia and beyond, reflecting the growing interest in Slovenian pop music. It has been noted for its catchy hooks and polished production, contributing to the duo's increasing visibility in the European music market. When '4' was released on February 14, 2020, Zalagasper was emerging from their debut album's success, stepping into a broader European pop scene. The duo had gained recognition with their previous work, setting the stage for this sophomore release which showcased their evolving sound and lyrical depth.