Translation of retain in German

There are about fifty families who are having very tight connections. Too tight in my opinion. It's like a small town in this aspect. Joanna though is very satisfied with the place and the atmosphere.
The film used (positive) is much more accurate in terms of color and pixels. It has a much higher range of colors, but the difficulty is that it is very sensitive and that is has a lot of contrast.
As soon as I went to bed, incredibly loud music starting playing from right beneath my room. The music was so loud that I could not fall asleep despite my jet lag and despite being extremely tired.