ロック

ろっく
noun
rock (music); rock 'n' roll
1. rock (music); rock 'n' roll
a genre of popular music characterized by strong rhythms, electric guitars, and often rebellious themes
ロックが大好(だいす)きだ。
I love rock music.
高校(こうこう)時代(じだい)にロックバンドを()んでいた。
I was in a rock band in high school.
この(きょく)はロックとポップスを融合(ゆうごう)させたサウンドだ。
This song has a sound that fuses rock and pop.

SUBGENRES:

Many rock subgenres are used in Japanese:

  • ハードロック (hard rock)
  • パンクロック (punk rock)
  • オルタナティブロック (alternative rock)
  • プログレッシブロック (progressive rock)

JAPANESE ROCK:
J-ロック or Jロック refers to Japanese rock music, which has a distinct style and large following.

NOTE:
ロック as "lock" (to lock something) is a different word with the same reading. Context makes the meaning clear.