song lyric seperation using shell

  fileName  :    files.txt

50 Cent - Ayo Technology.lrc
AC DC - Back In Black.lrc
acdc - highway to hell.lrc
acdc - thunderstruck.lrc
Adele - Hello.lrc
Adele - Send My Love (To Your New Lover).lrc
Adele - Someone Like You.lrc
Adele - Water Under the Bridge.lrc
Adele - When We Were Young.lrc
Alan Walker - Faded.lrc
Alesso - Falling.lrc
Alle Farben - Please Tell Rosie (feat. YOUNOTUS) [OFFICIAL VIDEO].lrc
Amy Shark - Adore.lrc
Andy Grammer - Honey, I'm Good.lrc
Anne-Marie - Alarm.lrc
Aqua - Barbie Girl.lrc
Ariana Grande - Focus.lrc
AURORA - Half the World Away.lrc
Avicii - The Nights.lrc
Avicii - Wake Me Up.lrc
Avril Lavigne - Girlfriend.lrc
Band Aid - Do They Know It's Christmas.lrc
Bastille - Good Grief.lrc
Ben Haenow - Second Hand Heart (feat. Kelly Clarkson).lrc
Big Sean - Bounce Back.lrc
Birdy - Wings.lrc
Blonde & Craig David - Nothing Like This.lrc
Bob Marley - Is This Love.lrc
Bon Jovi - Livin' on a Prayer.lrc
Boney M - Brown Girl In The Ring.lrc
Boney M - Mary's Boy Child_oh My Lord.lrc
BONEY M - RIVERS OF BABYLON.lrc
Bruno Mars - 24K Magic.lrc

=============================
IFS=-
while read line
do
set $line
echo $2  >>song.txt
done <files.txt


==============================

Output

 Ayo Technology.lrc
 Back In Black.lrc
 highway to hell.lrc
 thunderstruck.lrc
 Hello.lrc
 Send My Love (To Your New Lover).lrc
 Someone Like You.lrc
 Water Under the Bridge.lrc
 When We Were Young.lrc
 Faded.lrc
 Falling.lrc
 Please Tell Rosie (feat. YOUNOTUS) [OFFICIAL VIDEO].lrc
 Adore.lrc
 Honey, I'm Good.lrc
Marie
 Barbie Girl.lrc
 Focus.lrc
 Half the World Away.lrc
 The Nights.lrc
 Wake Me Up.lrc
 Girlfriend.lrc
 Do They Know It's Christmas.lrc
 Good Grief.lrc
 Second Hand Heart (feat. Kelly Clarkson).lrc
 Bounce Back.lrc
 Wings.lrc
 Nothing Like This.lrc
 Is This Love.lrc
 Livin' on a Prayer.lrc
 Brown Girl In The Ring.lrc
 Mary's Boy Child_oh My Lord.lrc
 RIVERS OF BABYLON.lrc
 24K Magic.lrc

==============================
IFS=-
#i=1
while read line
do
set $line
#x=`expr $i % 2`
#if [ $x -eq 0 ]
#then
echo $2  >>song.txt
#echo "working $i ..."
#fi
#i=`expr $i + 1`
done <files.txt