I liked singer. vs I liked the singer.

Some examples from the web:

• I liked them, but they weren't the best singers and dancers.
• The folk festival of iconic female singers.
• She was interviewed here by Sally Singer.
• I imagine you recognised the singer.
• I liked your old office better.
• I liked your speech, Stanley.
• I never said I liked the assignment.
• I liked that song Grapple Hound.
• Your speech - I liked it.
• Michael and I liked the symbolism.
• I liked your novel, Sergey Petrovich.
• I liked your book, Professor.
• - Incidentally, I liked it.
• I liked the feeling of being in love with her, I liked it.
• I liked... I liked being in the mountains.
• I liked your walls. I liked being the one to break them down.
• I liked Louis. I liked it when they were together.
• And since I liked liking him, I liked him even more.
• I liked being on time. I liked getting my work done.
• I liked it. I liked breaking the law.

Some examples from the web:

• I imagine you recognised the singer.
• I never said I liked the assignment.
• Michael and I liked the symbolism.
• I'll distract them so you can talk to the singer.
• I'm going ringside to watch the singer.
• The men say you're quite the singer.
• (Mora) now makes the singer.
• My baby's named Mika, after the singer.
• He's the drummer and the singer.
• Maybe it's because of the singer.
• Noah liked the rides. I liked the beach.
• The black girl, the singer.
• Managers occasionally apologize, but never the singers.
• In addition, a lorry driver appears to sexually harass the singer.
• I liked the old Alicia better.
• I liked the person I became when we were together.
• But I liked the song we had.
• I liked the first one better.
• I liked the time travel element.
• I liked the kill too much, Stanton.