Is it permissible to use wedding songs that contain a small proportion of forbidden musical instruments, so slight that these sounds are barely distinguishable, and are there specific tapes suitable for women's wedding celebrations?

It is not permissible to listen to anasheed accompanied by music, for either men or women. It is permissible for women and children to beat the daff (tambourine) on Eid and at weddings, provided that the lyrics are of good meaning, not vulgar or arousing of base desires, and limited to that. The inability to dance is not a justification for permitting listening to music.