In blues ‘dominant’ 7 chords (A7 or D7 for example) are more common than basic major, minor and sus chords. The A7, D7 and E9 ...

Because if your guitar isn't in tune you'll never sound good ... Every time I change my electric and acoustic guitars' strings, I take the opportunity to lubricate the hardware contact points. These ...

But what if your acoustic or electric guitar won't stay in tune for long? It's a very common issue and there's no one answer ...