======================== unified (from filesystem) ========================
                                         'bitrate'  '182.82'
                                        'duration'  '396'
                                          'artist'  'sgnl fltr'
                                     'text_people'  ''
                                         'release'  'Oxycanta: Winter Blooms'
                                           'title'  'Waters'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['ambient', 'minimal techno', 'techno', 'minimal', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '12'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '120.0'
                                             'key'  '5A'
                                        'acoustid'  'e1d0fa8a-2635-478c-b1ae-4d49cefe61af'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Oxycanta: Winter Blooms'
'TBPM' (BPM (beats per minute))                     '120.0'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDOR' (Original release time)                      '2007'
'TDRC' (Recording time)                             '2007-12-11'
'TENC' (Encoded by)                                 'LAME 3.97 final'
'TIT2' (Title/songname/content description)         'Waters'
'TKEY' (Initial key)                                '5A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'sgnl fltr'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Ultimae Records'
'TRCK' (Track number/Position in set)               '8/12'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'sgnl_fltr'
'TXXX:ASIN'                                         'B000Z7U5WQ'
'TXXX:Acoustid Id'                                  'e1d0fa8a-2635-478c-b1ae-4d49cefe61af'
'TXXX:BARCODE'                                      '881034129697'
'TXXX:CATALOGNUMBER'                                'INRE 029'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '18db4bfb-5a71-41e1-8690-0ee370ecfbed'
'TXXX:MusicBrainz Album Release Country'            'FR'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '51d335a8-954f-4fdb-86b1-16c45b44e7c6'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['ambient', 'minimal techno', 'techno', 'minimal', 'electronic']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'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'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.59 dB'
'TXXX:replaygain_track_peak'                        '0.580766'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'16373679-5153-4795-81a5-fc4ea8789fbb')

========================== row from database ==========================
                                              'id'  1380284
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/A. Testa & M. Piazza - Oxycanta - Winter Blooms/08 - sgnl ftlr - waters.mp3
                                         'working'  None
                                         'bitrate'  182
                                    'duration_sec'  396
                                           'genre'  electronic
                                        'filesize'  9066997
                                           'mtime'  1636913049
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer A. Testa & M. Piazza 08 ftlr waters electronic
                                      'tag_artist'  sgnl fltr
                                     'tag_release'  Oxycanta: Winter Blooms
                                       'tag_title'  Waters
                                             'bpm'  120.0
                                    'search_title'  'waters':1
                                   'search_artist'  'fltr':2 'sgnl':1
                                  'search_release'  'blooms':4 'oxycanta':1,2 'winter':3
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 'a':3,4 'electronic':11 'ftlr':9 'm':6,7 'piazza':8 'testa':5 'waters':10
                                    'search_combo'  '00calmer':9 '00poprockelectronic':8 'a':10,11 'blooms':7C 'electronic':18 'fltr':3B 'ftlr':16 'm':13,14 'oxycanta':4C,5C 'piazza':15 'sgnl':2B 'testa':12 'waters':1A,17 'winter':6C
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['ambient', 'minimal techno', 'techno', 'minimal', 'electronic']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636913049.117948  (2021-11-14 19:04:09)
                             'size'  9066997