This paper results from my insertion into a research team which studies "The Music Therapy Influence on Exclusive Breastfeeding", led by the Music Therapist Martha Negreiros, at the Maternity School of Federal University of Rio de Janeiro - Brazil. As music therapy supervisor it was possible for me to take part in one session of the clinical practice with mothers of premature babies, and to think about familiarity and predictability of songs - which result in comfort - as characteristics which contribute to uphold the mothers who need to be stronger to support their babies. These ideas are discussed based on Adorno (1989), Middleton (1990) and Carvalho's (1999) thoughts. The final considerations pointed out that the popular song re-creation...