This is the 11867th most frequent Russian word.
записанные
Recorded.
In this sentence, 'записанные' is used as a past participle adjective meaning 'recorded.' It describes the memories captured on the voice recorder.
Здесь находятся записанные на диктофон воспоминания.
Here are the memories recorded on the voice recorder.
'Записанные' functions as a participle describing the songs which were recorded on the cassette. It gives additional information about the songs.
Мы переслушали записанные на кассету песни.
We listened to the songs recorded on the cassette.
Here, 'записанные' modifies 'данные,' referring to the data that was recorded, expressing a completed action in the past.