Here is a composition by Shri Purandaradasaru, song advising to human beings to earn some virtue by doing good work,
which will be utilized in future during their journey of life. It is like packing some food before going on to the journey.

Lyric follows:

rAga: rEvagupti
tALa: Adi
rachane: shrI puraMdaradAsaru

buttiya kaTTO manujA buttiya kaTTo /pa/
buttiyannu kaTTidare ettalAdaruNNabahudu /anupa/

dharmaveMba maDikeyalli
nirmala managaMge tuMbi
dummAnaduriya hacchi
ommAnakkiya annamADi /1/

arivu eMba ariveya hAsi
harive hAl mosara kaDedu
paramavairAgyadiMda
shrIharigarpitaveMdu /2/

katRu shrIpuraMdaraviThala
tatvaveMba buttiyannu
hattira taMdiTTukoMDu
nityavuMDu tRuptipaDeyo /3/

Meaning of the song:

Hey Man (manujA), pack some food (butti kaTTO)
If you pack some food (butti kaTTidare)
you can eat (uNNabahudu) anywhere after sometime (ettalAdaru)

In the pot (maDikeyalli) named virtue (dharmaveMba)
Fill (tuMbi) the water (gaMge) named stainless (nrimala) mind (mana)
light (hachchi) the fire (uriya) of turmoil (dummAna)
cook the rice (anna mADi) of harmony (ommAnakkiya)

Spread (hAsi) the cloth (ariveya) of knowledge (ariuvu eMba)
churn (kaDedu) the milk-curd (hAl mosaru) of eminence (harive)
with the supreme freedom from passion (parama vairAgyadiMda)
Offered to SHRIHARI (shrIharigarpitaveMdu)

maker/master (katRu) SHRI PURANDARAVITHALA (shri puraMdara viThala)
essence (tatvaveMba) of food packed for journey (buttiyannu)
keep it near with you (hattira taMdiTTukoMDu) and
eat (uMDu) it daily (nitya) to obtain (paDeyo) satisfaction (tRupti)

Listen to the song here:
Audio by Shri Vidyabhushana:
Spoiler: 

Audio by V N Padmini- 8th song from the list.
http://mio.to/show/Raagam/Revagupti