The document analyzes several codes and conventions used across music magazines including Kerrang, NME, and Rolling Stone. Some common techniques identified include using consistent house colors, direct address of readers, categorizing content pages for easy navigation, and featuring large prominent images of artists. The magazines also employ techniques like highlighting, bolding, and positioning text strategically to draw attention. The analyses suggest magazines aim to fulfill readers' cognitive needs, create relationships between readers and artists, and reinforce their brands across issues.