* "Are 'Friends' Electric?" - This was his breakthrough hit, reaching number one in the UK.
* "Cars" - Another massive hit, reaching number one in the UK and becoming a global phenomenon.
* "Me! I Disconnect from You" - This reached number 8 in the UK, solidifying Numan's popularity.
* "The Pleasure Principle" - While not a single, the title track from his album of the same name became an anthem for the synth-pop movement.
These songs were all part of Numan's album "The Pleasure Principle", released in 1979. It was a critical and commercial success, propelling Numan to the forefront of the new wave and electronic music scene.