Reading the tenor and alto clefs can be as much a study in historical musical practice as it is a practical skill for modern musicians. To read them more easily begins with understanding that the alto clef centers the middle line of the stave on middle C, while the tenor clef situates C on the second line from the top. This understanding is crucial as it allows musicians to navigate their placement on the grand staff.

To begin the journey of mastery, one must first immerse themselves in the specificities of these clefs. The alto clef, often used by violists, positions the C in the heart of the stave, which corresponds to the instrument's middle range. The tenor clef, favoring the cello and trombone, perches the C slightly higher, suiting their tessitura. Start by practicing scales and simple melodies within these clefs regularly. Reinforce learning by marking the notes' names and frequently revisiting these annotations.

Implement a mental anchor—a particular line or space that relates to a note you are already familiar with in treble or bass clef. For alto clef, many learn by comparing it to the treble clef with F in the top space (just transpose down); for tenor clef, think of it as being similar to bass clef but with the notes shifted up a step. This system of mental links forms a bridge to swifter recognition.

Diving deeper into practice, etudes and pieces written specifically for these clefs will cultivate a natural response over time. Sight-reading daily, even for a short period, will engrain these clefs within the musing mind. Challenge oneself by shifting from well-known pieces into these clefs, translating the music note for note. Through this, the unfamiliar symbols become as intuitive as the primary clefs.

Furthermore, incorporating software and educational apps into one's practice regimen can offer interactive and progressive learning, adapting to individual speed and retaining attention with visual and auditory stimuli. Finally, seeking guidance and feedback from educators or fellow musicians familiar with these clefs can offer personalized tips and support.

Embarking upon this expedition into tenor and alto clefs can enrich one's musical literacy and open doors to a broader repertoire. Patience is pivotal, for with persistent practice, the notes will soon sing from the page without hesitation, and the music will flow as naturally as conversation among old friends.

Remember, in the grand symphony of musical notation, the alto and tenor clefs hold their unique voices. They await the conductor who dares to draw their melodies into existence, to breathe life into compositions that span the spectrum of sound. Embrace these clefs, and you shall unlock a world with its own resonance and timbre.