======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '268'
                                          'artist'  'Devilyn'
                                     'text_people'  ''
                                         'release'  'Reborn in Pain'
                                           'title'  'Reborn in Pain'
                                           'quals'  ("['Q-HAP-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', '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'  ("['death metal', 'brutal death metal', 'polish', 'technical death metal', "
 "'polish death metal']")
                                     'discogstags'  "['death metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'eid-unsorted'
                                             'bpm'  '145.163'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Reborn in Pain'
'TBPM' (BPM (beats per minute))                     '145.163'
'TCON' (Content type, a.k.a. Genre)                 'eid-unsorted'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Reborn in Pain'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Devilyn'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['death metal', 'rock']
'TXXX:lastfmtags'                                   ['death metal',
 'brutal death metal',
 'polish',
 'technical death metal',
 'polish death metal']
'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'                        '-1.68 dB'
'TXXX:replaygain_track_peak'                        '0.425551'

========================== row from database ==========================
                                              'id'  1329271
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Devilyn - Reborn in Pain - Reborn in Pain.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  268
                                           'genre'  eid-unsorted
                                        'filesize'  4298624
                                           'mtime'  1620521412
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] eid unsorted
                                      'tag_artist'  Devilyn
                                     'tag_release'  Reborn in Pain
                                       'tag_title'  Reborn in Pain
                                             'bpm'  145.163
                                    'search_title'  'in':2 'pain':3 'reborn':1
                                   'search_artist'  'devilyn':1
                                  'search_release'  'in':2 'pain':3 'reborn':1
                                     'search_rest'  '00poprockelectronic':1 'eid':7 'files':5,6 'loose':3,4 'unsorted':2
                                    'search_combo'  '00poprockelectronic':8 'devilyn':4B 'eid':14 'files':12,13 'in':2A,6C 'loose':10,11 'pain':3A,7C 'reborn':1A,5C 'unsorted':9
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['death metal', 'brutal death metal', 'polish', 'technical death metal', 'polish death metal']
                                        'tag_date'  1998
                                     'discogstags'  ['death metal', 'rock']

============================== file details ==============================
                                           'mtime'  1620521411.6433983  (2021-05-09 02:50:11)
                             'size'  4298624