Singer contributes vocals on two tracks on LP
Fractions within hip-hop group could delay release of 'A Better Tomorrow'
He said he feels the group are letting down their fans
Andre Johnson of Northstar allegedly attempted suicide in Los Angeles yesterday
Andre Johnson is alleged to have attempted suicide in the early hours of this morning (April 16)
But he will appear on one-off 'The Wu - Once Upon A Time In Shaolin' album
'The Wu – Once Upon A Time In Shaolin' is a 31-track double album presented in an engraved silver-plated case
Group revealed new track 'Keep Watch' earlier this week
Taken from group's delayed 20th anniversary record 'A Better Tomorrow'
The hip-hop collective's LP 'A Better Tomorrow' will apparently be released imminently