======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '247'
                                          'artist'  'Nina Hagen'
                                     'text_people'  ''
                                         'release'  'Nunsexmonkrock/Nina Hagen Band'
                                           'title'  'Dread Love'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['german', 'new wave', 'post punk', 'punk', 'female vocalists']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '1982'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
                                             'bpm'  '88.3'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     'Nunsexmonkrock/Nina Hagen Band'
'TBPM' (BPM (beats per minute))                     '88.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TDRC' (Recording time)                             '1982'
'TIT2' (Title/songname/content description)         'Dread Love'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Nina Hagen'
'TRCK' (Track number/Position in set)               '04'
'TXXX:MP3GAIN_MINMAX'                               '048,206'
'TXXX:MP3GAIN_UNDO'                                 '+004,+004,N'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['german', 'new wave', 'post punk', 'punk', 'female vocalists']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.54 dB'
'TXXX:replaygain_track_peak'                        '0.527543'

========================== row from database ==========================
                                              'id'  1476466
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Nina Hagen/Nina Hagen-Nun Sex Monk Rock Nina Hagen Band-1982/Nunsexmonkrock - 04 - Dread Love.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  247
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  3967137
                                           'mtime'  1620646442
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Sex Monk Rock 1982 04 electronic we new wave or post punk
                                      'tag_artist'  Nina Hagen
                                     'tag_release'  Nunsexmonkrock/Nina Hagen Band
                                       'tag_title'  Dread Love
                                             'bpm'  88.3
                                    'search_title'  'dread':1 'love':2
                                   'search_artist'  'hagen':2 'nina':1
                                  'search_release'  'band':5 'hagen':4 'nina':2 'nunsexmonkrock':1 'nunsexmonkrocknina':3
                                     'search_rest'  '00singer':1 '1982':7 'electronic':8 'eos':3 'monk':5 'new':10 'or':12 'post':13 'punk':14 'rock':6 'sex':4 'songwriter':2 'wave':11 'we':9
                                    'search_combo'  '00singer':10 '1982':16 'band':9C 'dread':1A 'electronic':17 'eos':12 'hagen':4B,8C 'love':2A 'monk':14 'new':19 'nina':3B,6C 'nunsexmonkrock':5C 'nunsexmonkrocknina':7C 'or':21 'post':22 'punk':23 'rock':15 'sex':13 'songwriter':11 'wave':20 'we':18
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['german', 'new wave', 'post punk', 'punk', 'female vocalists']
                                        'tag_date'  1982
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620646441.5321417  (2021-05-10 13:34:01)
                             'size'  3967137