Check out one of the first hits from EXO from back in the day. Lyrics are pretty simple and a lot of repetition so that it will help you remember the grammar items. Check out the links below to help you out.
___________________________________________
1. Want to ~고 싶다: • Korean Grammar in One Minute - Want to (-고싶다)
2. When V + (을/ㄹ)때: • Korean Grammar in One Minute - When [(으)ㄹ 때]
3. Adjectives ~ㄴ/은: • Korean Grammar in One Minute - Adjectives #2
4. Location particle ~에: • Korean Grammar in One Minute - Location Pa...
5. Negative not 못~: • Korean Grammar in One Minute - Good or Bad...
6. Only ~만: • Korean Grammar in One Minute - Just/Only #...
7. Too/As well ~도: • Korean Grammar in One Minute - Too, As Wel...
8. Direct Object Particle ~을/를: • Korean Grammar in One Minute - Direct Obje...
9. If ~면: • Korean Grammar in One Minute - #1 If (면)
10. Negative Command ~ 지마(세요): • Korean Grammar in One Minute - Negative Co...
11. But.... V + ㄴ/은/는데: • Korean Grammar in One Minute- But, Even th...
12. Adverb - V + 게: • Korean Grammar in One Minute - Adverbs #1 ...
13. Pronouns 널: • Korean Grammar In One Minute - You (너/당신) ...
14. Getting/Becoming V/Adj + 지다 - • Korean Grammar in One Minute - Getting/Bec...
15. Negative ~지 않다 • Korean Grammar in One Minute - #2 Negative...
_____________________________________________