How to read tablature? 
TAB:

xA|------0----|-----------|------0----|-----------|--5---5----|--2--------|
xE|--3-----3--|--0--------|--3-----3--|--0--------|-----------|-----------|
xC|-----------|-----------|-----------|-----------|-----------|-----------|
xG|-----------|-----------|-----------|-----------|-----------|-----------|

xA|--3---3----|-----------|--0---0----|--3---2-0--|------0----|-----------|
xE|-----------|--3--------|-----------|-----------|--3-----3--|--0--------|
xC|-----------|-----------|-----------|-----------|-----------|-----------|
xG|-----------|-----------|-----------|-----------|-----------|-----------|

xA|--0---0----|--3---2-0--|------0----|-----------|--5---5----|--8---5----|
xE|-----------|-----------|--3-----3--|--0--------|-----------|--------7--|
xC|-----------|-----------|-----------|-----------|-----------|-----------|
xG|-----------|-----------|-----------|-----------|-----------|-----------|

xA|-----------|--7--------|--3--------|-----------|-----------||
xE|--8--------|-----------|------3-0--|--3---1----|-----------||
xC|-----------|-----------|-----------|--------2--|--0--------||
xG|-----------|-----------|-----------|-----------|-----------||


CHORDS:

E            E
Silent night, holy night
B            E
All is calm, all is bright
A               E
Round yon Virgin Mother and Child
A             E
Holy Infant so tender and mild
B7                E
Sleep in heavenly peace
E       B7       E
Sleep in heavenly peace
E            E
Silent night, holy night!
B               E
Shepherds quake at the sight
A                  E
Glories stream from heaven afar
A                  E
Heavenly hosts sing Alleluia!
B7                     E
Christ, the Saviour is born
E          B7         E
Christ, the Saviour is born
E            E
Silent night, holy night
B           E
Son of God, love's pure light
A                 E
Radiant beams from Thy holy face
A               E
With the dawn of redeeming grace
B7                  E
Jesus, Lord, at Thy birth
E     B7           E
Jesus, Lord, at Thy birth