Yes, there are several old Hindi songs that touch upon the themes of childhood to adulthood. One classic song that comes to mind is:
Song: "Kisi Ki Muskurahaton Pe Ho Nisar" Movie: Anari (1959) Singer: Mukesh Music Director: Shankar-Jaikishan Lyricist: Shailendra
This song beautifully captures the essence of life's journey from childhood innocence to the challenges of adulthood, emphasizing the importance of cherishing every smile and supporting one another through life's ups and downs.
Please note that the selection of "old" songs can be subjective, and there might be other songs from different eras that also explore the themes of childhood and adulthood. However, "Kisi Ki Muskurahaton Pe Ho Nisar" is one of the timeless classics that resonates with audiences of all generations.