Why is it der Songwriter?

Songwriter ends in -er, and most nouns ending in -er are masculine: in a German dictionary, 86% of them take der.

All nouns ending in -er
Sense 1
der

Meaning

[1] person who wrote song texts

[1] Person, die Liedtexte verfasst

Examples

[1] His songwriter terminated yesterday and now he is looking for a new one

[1] Sein Songwriter hat gestern gekündigt und nun ist er auf der Suche nach einem neuen.

Declension

1 Singular Plural
Nominativ der Songwriter die Songwriter
Genitiv des Songwriters der Songwriter
Dativ dem Songwriter den Songwritern
Akkusativ den Songwriter die Songwriter

Pronunciation

Dictionary entries include material from Wiktionary. Wiktionary