This solemn piece belongs to the series of seven Nhạc pieces. The complete version consists of thirty-eight four-bar phrases. The lyrics are about parents’ inmost feelings and their reminders to the daughter. This musical piece is played by the cò (two string fiddle) and the kìm (moon-shaped lute). The kìm, a plucked string instrument, has two strings. It is made of wood and has a flat and round resonator. On the surface, the gauges are attached. It has a long neck with nine frets. The rest three frets are on the surface. The two silk or nylon strings are tuned at a perfect fifth interval. The players use the left hand to press the frets and the right hand to pluck the strings. The instrument can be plucked using a fingernail or a bamboo or plastic plectrum. The cò is a bow stringed instrument with two iron strings tuned to a fourth or a perfect fifth interval. The body of the instrument is cylindrical and the top surface is covered with snake skin. The neck is made of wood and does not have frets. The bow is strung with horsetail. The players use the left hand to press onto the neck to create pitch and the right hand to bow.

The hands that hold the scissors and neddle\nThe hands that hold the silk to the tailor\nThe hands that provide the rich taste of ginger sauce\nOur love is as rich and deep as the ginger taste, so please don't leave me\n\nLullabies (Ru) within the family environment has a hypnotising function, where it's used to ease the child into sleeping. Southern Vietnam (Nam bộ) lullabies was formed and sustained through the many layers of Nam bộ culture. The environmental ecosystem and culture have given it a distinctive form that is expressed through lyrics, melodies, and rhytms.