======================== unified (from filesystem) ========================
                                         'bitrate'  '252.648'
                                        'duration'  '225'
                                          'artist'  'Mundtot'
                                     'text_people'  ''
                                         'release'  'New IV'
                                           'title'  'Lebensleid'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-2', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['industrial', 'dark electro', 'german', 'post-punk', 'gothic rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'eid-metal'
                                             'bpm'  '100.058'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Lbl: Echozone C:EZ12C952'
'COMM:ID3v1 Comment:XXX'                            'Lbl: Echozone C:EZ12C952'
'TALB' (Album/Movie/Show title)                     'New IV'
'TBPM' (BPM (beats per minute))                     '100.058'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal'
'TDRC' (Recording time)                             '2012'
'TENC' (Encoded by)                                 "I'm Too Lame To Change The Default Settings"
'TIT2' (Title/songname/content description)         'Lebensleid'
'TKEY' (Initial key)                                '8A'
'TLAN' (Language(s))                                'German'
'TPE1' (Lead performer(s)/Soloist(s))               'Mundtot'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['industrial', 'dark electro', 'german', 'post-punk', 'gothic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.05 dB'
'TXXX:replaygain_track_peak'                        '0.381877'

========================== row from database ==========================
                                              'id'  1391243
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Metal Compilation - New IV/047.Mundtot - Lebensleid.mp3
                                         'working'  None
                                         'bitrate'  252
                                    'duration_sec'  225
                                           'genre'  eid-metal
                                        'filesize'  7114522
                                           'mtime'  1620301274
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal Metal Compilation 047.Mundtot metal
                                      'tag_artist'  Mundtot
                                     'tag_release'  New IV
                                       'tag_title'  Lebensleid
                                             'bpm'  100.058
                                    'search_title'  'lebensleid':1
                                   'search_artist'  'mundtot':1
                                  'search_release'  'iv':2 'new':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '047':5 '047mundtot':7 'compilation':4 'metal':3 'mundtot':6
                                    'search_combo'  '00dwimp':5 '00metal':6 '047':9 '047mundtot':11 'compilation':8 'iv':4C 'lebensleid':1A 'metal':7 'mundtot':2B,10 'new':3C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['industrial', 'dark electro', 'german', 'post-punk', 'gothic rock']
                                        'tag_date'  2012
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620301274.3018308  (2021-05-06 13:41:14)
                             'size'  7114522