This is the 12678th most frequent Portuguese word.
trazidas
"Brought" (past participle of "trazer").
Here, 'trazidas' acts as a past participle of 'trazer' and describes the memories that were 'brought' by the music.
As memórias trazidas por aquela música me fazem pensar nos velhos tempos.
The memories brought by that song make me think of old times.
In this case, 'trazidas' is used to describe the flowers that were 'brought' by the friend.
As flores trazidas pelo meu amigo são muito bonitas.
The flowers brought by my friend are very beautiful.
Here, 'trazidas' refers to the ideas that were 'brought' forward during the meeting.