11. He included " ad libitum " and additional vocal hooks at the song's final pre-chorus. 12. There is no " ad libitum " bell tolling from the Novgorod and Pskov scenes. 13. The SCS hosted five clubs ELITE, GLOBE, SIPA, PASTEL, and Ad Libitum until 2014-2015. 14. The " ad libitum " sections for organ are replaced by accompanied passages for solo violin. 15. Ensemble Ad Libitum and Coral de Flautas. 16. But if energy density is reduced, no matter what the macronutrient composition, ad libitum intake declines ." 17. Whether the selections were ad libitum or according to a fixed table of lessons is not mentioned. 18. He is also the founding member of the Ensemble Ad Libitum , a group dedicated to contemporary music. 19. 2 Strauss indicates four and three extra horns and trumpets respectively to be added " ad libitum ". 20. The title of Hosokawa's composition for soprano saxophone and piano, percussion ad libitum , is " F�r Walter ".