一週間くらい累計２０時間くらい同じ曲練習してても歌詞が覚えられないので

一週間くらい累計２０時間くらい同じ曲練習してても歌詞が覚えられないので
きっとこれはやみんの調子が悪い時期なんだと思うことにして
別の曲もってゆきます

Results (English) 1:

So can't remember the lyrics are 1 week long practice same songs to about 20 hours total.To think is wrong I'm sure this is all of the time.You have another song

Results (English) 2:

Since the lyrics can not remember even if you the same song practice much about one week total 20 hours
and that I think I'm sure this is Ya Min tone is and I'm a bad time for
you Yuki have another song

Results (English) 3:

About one week, but remember to practice as much as 20 hours since no lyricsI think that this is a bad time, and the condition that theAnother song with you