======================== unified (from filesystem) ========================
                                         'bitrate'  '236.267'
                                        'duration'  '199'
                                          'artist'  'Ska-P'
                                     'text_people'  ''
                                         'release'  'Lagrimas y Gozos'
                                           'title'  'Ni Fu Ni Fa'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['ska punk', 'ska', 'punk', 'spanish']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk-ska'
                                             'bpm'  '106.0'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Lagrimas y Gozos'
'TBPM' (BPM (beats per minute))                     '106.0'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk-ska'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Ni Fu Ni Fa'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ska-P'
'TPE2' (Band/orchestra/accompaniment)               'Ska-P'
'TPUB' (Publisher)                                  'Octubre'
'TRCK' (Track number/Position in set)               '1'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf56.40.101'
'TXXX:AverageLevel'                                 '12155'
'TXXX:DeviceConformanceTemplate'                    'L1'
'TXXX:IsVBR'                                        '0'
'TXXX:PeakValue'                                    '32417'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:WM/EncodingTime'                              '18446744072352396544'
'TXXX:WM/MediaPrimaryClassID'                       '{D1607DBC-E323-4BE2-86A1-48A42A28441E}'
'TXXX:WM/Provider'                                  'AMG'
'TXXX:WM/ProviderStyle'                             'Rock'
'TXXX:WM/UniqueFileIdentifier'                      'AMGa_id=R  1448964;AMGp_id=P   210142;AMGt_id=T 15064586'
'TXXX:WM/Year'                                      '2008'
'TXXX:WMFSDKNeeded'                                 '0.0.0.0000'
'TXXX:WMFSDKVersion'                                '11.0.5721.5251'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['ska punk', 'ska', 'punk', 'spanish']
'TXXX:original release date'                        ['2008', '2008']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.75 dB'
'TXXX:replaygain_track_peak'                        '0.352968'

========================== row from database ==========================
                                              'id'  1261036
                                            'path'  /data/Music/Bulk/00localcharacter/Ska-P/2008 - Lagrimas y Gozos/01 Ni Fu Ni Fa.wma.mp3
                                         'working'  None
                                         'bitrate'  236
                                    'duration_sec'  199
                                           'genre'  rock-gr-punk-ska
                                        'filesize'  5907173
                                           'mtime'  1620532755
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 2008 01 Fa.wma rock punk ska
                                      'tag_artist'  Ska-P
                                     'tag_release'  Lagrimas y Gozos
                                       'tag_title'  Ni Fu Ni Fa
                                             'bpm'  106.0
                                    'search_title'  'fa':3 'fu':2 'ni':1
                                   'search_artist'  'p':2 'ska':1 'skap':3
                                  'search_release'  'gozos':3 'lagrimas':1 'y':2
                                     'search_rest'  '2008':1 'fa':2 'fawma':4 'punk':6 'rock':5 'ska':7 'wma':3
                                    'search_combo'  '2008':10 'fa':3A,11 'fawma':13 'fu':2A 'gozos':9C 'lagrimas':7C 'ni':1A 'p':5B 'punk':15 'rock':14 'ska':4B,16 'skap':6B 'wma':12 'y':8C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['ska punk', 'ska', 'punk', 'spanish']
                                        'tag_date'  2008
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620532754.6969595  (2021-05-09 05:59:14)
                             'size'  5907173