I

Pronoun

  learned

Verb

  a lot

  by

Subordinating conjunction

  studying

Verb

  piano

Noun

  books

📚

Noun

  that

Pronoun

  had

Verb

  chord

Noun

  charts

Noun

.

I learned a lot by studying piano books that had chord charts.

I learned a lot by studying piano books that had chord charts.