In music, a semibreve is a note that lasts for four beats.
A semibreve is a very important note in music, and it usually means the music is slow and calm.
Examples:
The semibreve lasts for four beats.
The song has many semibreves in it.
The semibreve comes after the minim.
The semibreve is the king of notes!
The semibreve is so long, it lasts forever!
I like the semibreve because it's easy to count.