In addition to getting motivated to practice, there’s the practical aspect of finding the time and places where you can sing. Here are some ways to practice even when it doesn’t seem like you can:
1) When you’re not somewhere you can sing full out, practice humming with a buzzing feeling in the lips/nasal cavity to work on getting your resonance projecting forward. You can do this in the shower as well as somewhat noisy places.
2) Breathing exercises are generally low noise, and you can do them while walking, standing, laying down, exercising, sitting at your desk, etc.
3) Another low volume exercise is the straw exercise: (https://www.youtube.com/watch?v=0xYDvwvmBIM&feature=youtu.be) – you don’t really need a straw to do it once you get the hang of it (but it’s a good idea to start with one). Try it out walking, raking the leaves, washing the dishes, etc.
4) If you can find a relatively secluded spot at work, or work late when others are gone, you can sing scales while doing more routine tasks.
5) When you have “air cover,” i.e., background noise, you can sing more full out, but you won’t get as much feedback on how you sound – wearing ear protection can help some. Mowing the lawn and vacuuming can provide such an environment.
6) You can generally belt as loud as you want in your car, and make great gains in your voice while driving. Just don’t forget to pay attention to the road! One caveat is that your breathing is not quite the same while sitting as standing, so you’ll likely want to augment this with some practice while standing.
7) If you have kids, you can make your practice into a game that they can sing along with, or practice kids’ songs with them singing along.
8) Going out for karaoke can be great for practicing songs you may be performing later in a band, musical, or wherever. It can also be a great place to have someone video tape you so you can see how you sound.
While all the above can help you practice when you “can’t” find the time, you should try your best to “uni-task” at least once a week and find space and time for practicing with full concentration and focus, without an audience – the more focused you are when you practice, the more improvement you’re likely to make per time spent. Happy practicing!