private void playButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_playButtonActionPerformed
        // TODO add your handling code here:
        int song = -1;
        if (repr.isVisible()) {
            song = reprList.getSelectedRow();
            if (song != -1) {
                playFromRepr(song);
            }
        } else if (music.isVisible()) {
            song = musicList.getSelectedRow();
            if (song != -1) {
                playFromMusic(song);
            }
        } else if (files.isVisible()) {
            song = fileList.getSelectedRow();
            if (song != -1) {
                play(fileList.getValueAt(song, 0).toString());
            }
        }
        if (song == -1) {
            con.next();
        }
    }//GEN-LAST:event_playButtonActionPerformed