<span class="searchmatch">improvisationerna</span> definite plural of improvisation...
<span class="searchmatch">improvisationernas</span> definite genitive plural of improvisation...
improvisations definite improvisationen improvisationens plural indefinite improvisationer improvisationers definite <span class="searchmatch">improvisationerna</span> <span class="searchmatch">improvisationernas</span>...