Questions & Answers about La canción es alegre.
La is the feminine singular definite article, meaning the.
You use la because canción is a feminine singular noun:
- la canción = the song
In Spanish, nouns have grammatical gender, so the article has to match the noun.
You usually learn the gender together with the noun: la canción, not just canción.
While many nouns ending in -o are masculine and many ending in -a are feminine, canción is one of the many feminine nouns ending in -ión. A lot of nouns with this ending are feminine:
- la canción
- la televisión
- la conversación
So it is best to memorise it as la canción.