======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '287'
                                          'artist'  'Grauzone'
                                     'text_people'  ''
                                         'release'  'Fetenhits: Neue Deutsche Welle'
                                           'title'  'Eisbär'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'new wave', 'post punk', 'swiss', 'ndw']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
                                             'bpm'  '129.233'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Fetenhits: Neue Deutsche Welle'
'TBPM' (BPM (beats per minute))                     '129.233'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Eisbär'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Grauzone'
'TRCK' (Track number/Position in set)               '18'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'post punk', 'swiss', 'ndw']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.35 dB'
'TXXX:replaygain_track_peak'                        '0.400001'

========================== row from database ==========================
                                              'id'  1301623
                                            'path'  /data/Music/Bulk/00poprockelectronic/Grauzone/Grauzone__Fetenhits_ Neue Deutsche Welle (Disc 1)__18 - Eisbar.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  287
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  5752078
                                           'mtime'  1620569628
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Grauzone__Fetenhits_ (Disc 1)__18 Eisbar electronic we new wave or post punk
                                      'tag_artist'  Grauzone
                                     'tag_release'  Fetenhits: Neue Deutsche Welle
                                       'tag_title'  Eisbär
                                             'bpm'  129.233
                                    'search_title'  'eisbar':1,2
                                   'search_artist'  'grauzone':1
                                  'search_release'  'deutsche':4 'fetenhits':1,2 'neue':3 'welle':5
                                     'search_rest'  '00poprockelectronic':1 '1':6,8 '18':7,9 'disc':4,5 'eisbar':10 'electronic':11 'fetenhits':3 'grauzone':2 'new':13 'or':15 'post':16 'punk':17 'wave':14 'we':12
                                    'search_combo'  '00poprockelectronic':9 '1':14,16 '18':15,17 'deutsche':7C 'disc':12,13 'eisbar':1A,2A,18 'electronic':19 'fetenhits':4C,5C,11 'grauzone':3B,10 'neue':6C 'new':21 'or':23 'post':24 'punk':25 'wave':22 'we':20 'welle':8C
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'post punk', 'swiss', 'ndw']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620569628.1510274  (2021-05-09 16:13:48)
                             'size'  5752078