Issue with soundtrack

One problem that we have come across is that the soundtrack we have chosen is not completely in time with our trailer. Despite the majority of the soundtrack being more or less in time with the editing, there still remain several parts of the trailer that don't match the rhythm of it. Although this is frustrating, however, we have decided not to change the soundtrack due to the fact that we think it fits the genre of our trailer perfectly, so it would be a shame to have to find an alternative. Moreover, as the majority of the editing is in time with the music, we have agreed that it won't pose too much of a problem as it adds so much to the mise-en-scène.