Here's your chance to listen to a preview of Spectrum's upcoming 2nd mini album, 'Timeless Moment'.
 

SEE ALSO: Spectrum makes a dynamic return with new single 'What Do I Do'

The mini album contains title track "What Do I Do", moody "Sad Story", and "Dear My", which is the last song that late member Dongyoon recorded with the remaining 6 members. 

Spectrum's first full comeback without Dongyoon will be on November 4.