personnel van morrison - vocal , rhythm guitar bill church - bass '' boots '' houston - tenor saxophone doug messenger - electric guitar mark naftalin - piano rick shlosser - drums jack schroer - alto and baritone saxophone covers dexys midnight runners british pop band , dexys midnight runners , originally recorded a live version of '' jackie wilson said ( i 'm in heaven when you smile ) '' in november 1981 at the old vic theatre , london .