It sounds better with fingerpicking, (ex. while holding a C chord with the left hand, hit A-B together with
the right, and continue hitting D, G, E, A, and after that, the same again, till you reach the rythm you want)
This is a standard fingerpicking. You can play it as you like. 

 
CAPO: 4TH FRET

C                           F          C
Lullaby and goodnight, with roses bedight_
      F                    G           C
With lilies o'er spread is baby's wee bed,
F                      G        F                  G     
Lay thee down now and rest, may thy slumber be blessed,
F                      G                          C
Lay thee down now and rest, may thy slumber be blessed,


C                  C         F             C
Lullaby and goodnight, thy mother's delight
                        F          C
Bright angels beside my darling abide
F                        G       F                    G
They will guard thee at rest, thou shalt wake on my breast
F                        G                            C
They will guard thee at rest, thou shalt wake on my breast

 

( German)
Guten Abend, gute Nacht, Mit Rosen bedacht,
Mit Naeglein besteckt, schlupf unter die Deck'
Morgen frueh, wenn Gott will, wirst du wieder geweckt
Morgen frueh, wenn Gott will, wirst du wieder geweckt

Guten Abend, gute Nacht, Von Englein bewacht
Die zeigen im Traum, dir Christkindleins Baum
Schlaf nun selig und suess, Schau im Traum's Paradies
Schlaf nun selig und suess, Schau im Traum's Paradies





LYRICS SOURCE: http://www.babycenter.com/0_lullaby-lyrics-brahmss-lullaby-lullaby-and-goodnight_6732.bc