Alan Tarney in the mid-1980s when he teamed up with Norwegian pop band A-ha. Producing the second version (after Tony Mansfield) of their first single "Take on Me" (1984), the song went on to become a worldwide hit. He worked on the band's biggest selling first three albums, being a co-Producer of "Hunting High and Low" (1985), and Producer of "Scoundrel Days" (1986) and "Stay on These Roads" (1988). He renewed his working relationship with the band in the production of their album release "Cast in Steel" (2015). He produced David Cassidy's comeback 1985 album "Romance," which included the top ten hit
High- and low-level classification is typically more concerned with individual components within the system and how they operate. Features which emerge only at a high level of description are known as epiphenomena. Due to the nature of complex systems, the high-level description will often be completely different from the low level one; and, therefore, the (different) descriptions that each deliver are consequent upon the level at which each (differently) direct their study. For example, High- and low-level High-level and low-level, as technical terms, are used to classify, describe and point to specific goals of a systematic operation; and are applied in a wide