======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '159'
                                          'artist'  'Los Orientales'
                                     'text_people'  ''
                                         'release'  'Cicodelico Obscure Gooves Vol. 30'
                                           'title'  'Lobos al Escape'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-OLDST-2', 'q-syn-1', 'q-bass-4', "
 "'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', 'q-drums-3', 'q-other-4', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-2']")
                                      'lastfmtags'  "['cumbia', 'latin', 'world music', '1970s', 'peru']"
                                     'discogstags'  "['latin']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '32'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'loc-unsorted'
                                             'bpm'  '114.3'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 000002FA 000002FA 00000771 00000771 00000000 00000000 00000000 00000000 '
 '00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Cicodelico Obscure Gooves Vol. 30'
'TBPM' (BPM (beats per minute))                     '114.3'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'loc-unsorted'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         'Lobos al Escape'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Los Orientales'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '32'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf54.63.104'
'TXXX:AverageLevel'                                 '3707'
'TXXX:DeviceConformanceTemplate'                    'L1'
'TXXX:IsVBR'                                        '0'
'TXXX:MediaFoundationVersion'                       '2.112'
'TXXX:PeakValue'                                    '19233'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:WM/EncodingTime'                              '18446744072342090240'
'TXXX:WM/MediaPrimaryClassID'                       '{D1607DBC-E323-4BE2-86A1-48A42A28441E}'
'TXXX:WM/Track'                                     '31'
'TXXX:WM/UniqueFileIdentifier'                      ';'
'TXXX:WMFSDKNeeded'                                 '0.0.0.0000'
'TXXX:WMFSDKVersion'                                '12.0.7600.16385'
'TXXX:discogstags'                                  'latin'
'TXXX:lastfmtags'                                   ['cumbia', 'latin', 'world music', '1970s', 'peru']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.30 dB'
'TXXX:replaygain_track_peak'                        '0.520434'

========================== row from database ==========================
                                              'id'  760501
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Cicodelico Obscure Gooves Vol. 30/32 Lobos al Escape.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  159
                                           'genre'  loc-unsorted
                                        'filesize'  3821884
                                           'mtime'  1622759243
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 32 loc unsorted
                                      'tag_artist'  Los Orientales
                                     'tag_release'  Cicodelico Obscure Gooves Vol. 30
                                       'tag_title'  Lobos al Escape
                                             'bpm'  114.3
                                    'search_title'  'al':2 'escape':3 'lobos':1
                                   'search_artist'  'los':1 'orientales':2
                                  'search_release'  '30':6 'cicodelico':1 'gooves':3 'obscure':2 'vol':4,5
                                     'search_rest'  '32':1 'loc':2 'unsorted':3
                                    'search_combo'  '30':11C '32':12 'al':2A 'cicodelico':6C 'escape':3A 'gooves':8C 'lobos':1A 'loc':13 'los':4B 'obscure':7C 'orientales':5B 'unsorted':14 'vol':9C,10C
                                    'tag_tracknum'  32
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['cumbia', 'latin', 'world music', '1970s', 'peru']
                                        'tag_date'  1970
                                     'discogstags'  ['latin']

============================== file details ==============================
                                           'mtime'  1622759242.7714334  (2021-06-04 00:27:22)
                             'size'  3821884