Here is a cool riff from Tull that has quite a bit of technique that all guitarists need to know. The ribbon-like symbol in the first and second measure is known as “vibrato.” This is when you rapidly shake the string being played with your fret hand. There are also a few slides, which are performed by sliding your fret hand on the strings while playing at the same time.

Guitar

Riff Resources

Complete Transcription To “Aqualung” (PDF
Files)

Complete Transcription To “Aqualung” (Power
Tab)