St Mary in the Baum next to Rochdale Pioneers museum have weekly lunchtime concerts by distinguished classical artists
Rochdale Music Society have monthly classical concerts from nationally renowned artists.
The Curtain Theatre in Rochdale is a very good amateur company. They have a secure Car Park with attendant during productions.
Playhouse 2 at Shaw put on plays, jazz and folk nights
Gracie Fields Theatre in Rochdale now hosts regular events.

Hebden Bridge
The Trades Club at Hebden Bridge have a varied selection of music/entertainment.
Hebden Bridge Picture House show an have an eclectic mix of films and occasionally have live entertainment.

Manchester is a 30 minute train journey from Littleborough station with two trains hourly up to 8pm, after that they are every hour.
MEN Arena linked directly to Victoria Station
Chethams School of Music is opposite the station. Regular concerts and lunchtime recitals during term time.
RNCM is on Oxford Road (about 20minutes walk from Victoria) Regular buses go from Piccadilly.
Bridgewater Hall is linked by tram from Victoria but only a 10 min walk.Events at many venues in the North West can be found here:

at Salford Quay (tram from Victoria) has a wide selection of events
is 5mins from train station
is housed in the historic round library building at the back of the Town Hall (10mins from station)
Music Sessions:

Ryburn 3 Step have an traditional English session on Monday evenings at the 14th Old Bridge Inn at Ripponden which is a 15 min drive over the hill from the cottages.

There is traditional Irish music session on Tuesday evenings at the White Lion in Heptonstall