Montreal’s Efrim Menuck casts a long, deep shadow over contemporary experimental rock music. If you need a demonstration of that fact, listen to the first three Godspeed You! Black Emperor albums and get good and lost in them for a while. Separate to this, his work with Thee Silver Mt. Zion Memorial Orchestra is a notable cut above many of his peers. Every album he’s touched is coated in his fingerprints. It’s surprising then, given his longevity and influence, that he has only two solo efforts. The second of which he has just released after a seven-year gap. Pissing Stars…