1. Simple past tense and past participle of like.
2. Back in the day you could have an artist who sent in their demo tape, and if the label liked what they heard they might fly you up, and consider signing you or doing a showcase.
3. The label liked the band and released the CD in a one-album, non-exclusive deal.
4. In other words, we have an exemplary instance of McCarthyites gulling the naive, just as the infamous senator from Wisconsin liked to do.