======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '149'
                                          'artist'  '31 de Octubre'
                                     'text_people'  ''
                                         'release'  'Excavated Shellac'
                                           'title'  'Milongueros'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-3', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['world', 'all', 'andes', 'schellack-schatz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1950'
                                        'comments'  ''
                                           'genre'  'loc-samerica-bolivia'
                                             'bpm'  '119.900'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Excavated Shellac'
'TBPM' (BPM (beats per minute))                     '119.900'
'TCON' (Content type, a.k.a. Genre)                 'loc-samerica-bolivia'
'TDRC' (Recording time)                             '1950'
'TIT2' (Title/songname/content description)         'Milongueros'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               '31 de Octubre'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['world', 'all', 'andes', 'schellack-schatz']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.78 dB'
'TXXX:replaygain_track_peak'                        '0.392509'

========================== row from database ==========================
                                              'id'  1389342
                                            'path'  /data/Music/Bulk/00localcharacter/0slam Yusufov - Excavated Shellac/[boliwia, 1950+]31_de_Octubre_-_01_-_Milongueros.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  149
                                           'genre'  loc-samerica-bolivia
                                        'filesize'  3600217
                                           'mtime'  1621625488
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 0slam Yusufov [boliwia, 1950+]31_de_Octubre_ _01_ _Milongueros loc samerica bolivia
                                      'tag_artist'  31 de Octubre
                                     'tag_release'  Excavated Shellac
                                       'tag_title'  Milongueros
                                             'bpm'  119.9
                                    'search_title'  'milongueros':1
                                   'search_artist'  '31':1 'de':2 'octubre':3
                                  'search_release'  'excavated':1 'shellac':2
                                     'search_rest'  '+31':10 '01':13 '0slam':1 '1950':5,9 '31':6 'bolivia':17 'boliwia':3,4 'de':7,11 'loc':15 'milongueros':14 'octubre':8,12 'samerica':16 'yusufov':2
                                    'search_combo'  '+31':16 '01':19 '0slam':7 '1950':11,15 '31':2B,12 'bolivia':23 'boliwia':9,10 'de':3B,13,17 'excavated':5C 'loc':21 'milongueros':1A,20 'octubre':4B,14,18 'samerica':22 'shellac':6C 'yusufov':8
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['world', 'all', 'andes', 'schellack-schatz']
                                        'tag_date'  1950
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621625488.2677917  (2021-05-21 21:31:28)
                             'size'  3600217