Step 1: Free download this iPod to iPhone transfer and run it.

Step 2: Launch this iPod to iPhone transfer. The interface is as follows:

Step 3: Connect two iPods to your computer. Then your iPods' information will be displayed:

Note: The two windows will display the same iPod's info. Just click the other tab:

Step 4: Creat a playlist on one iPod (you want to transfer songs to):

Click playlist button:

Then double-click Add New Playlist:

The added playlist will be displayed:

Step 5: Highlight the file(s) you'd like to transfer to the new playlist::

Step 6: Click <- arrow to transfer selected files to the new created playlist:

Then the file counts will change to 1:

Done! Now you have successfully transfered songs/videos/palylists from iPod to iPhone. Enjoy the music from other iPod on your iPhone right now!