======================== unified (from filesystem) ========================
                                         'bitrate'  '210.742'
                                        'duration'  '84'
                                          'artist'  'Maps and Diagrams'
                                     'text_people'  ''
                                         'release'  'Smeg'
                                           'title'  'Fcuarelas'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'glitch', 'idm', 'ambient', 'deepspaceone', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '12'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '134.3'
                                             'key'  '10B'
                                        'acoustid'  'eec2b612-f739-43e8-bb97-5fb7cb75cacd'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Smeg'
'TBPM' (BPM (beats per minute))                     '134.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDOR' (Original release time)                      '2008'
'TDRC' (Recording time)                             '2008-08-30'
'TIT2' (Title/songname/content description)         'Fcuarelas'
'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Maps and Diagrams'
'TPE2' (Band/orchestra/accompaniment)               'Maps and Diagrams'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Cactus Island Recordings'
'TRCK' (Track number/Position in set)               '1/12'
'TSO2'                                              'Maps and Diagrams'
'TSOP' (Performer sort order)                       'Maps and Diagrams'
'TXXX:Acoustid Id'                                  'eec2b612-f739-43e8-bb97-5fb7cb75cacd'
'TXXX:CATALOGNUMBER'                                'CACT 028'
'TXXX:DISCOGS_ARTIST_LINK'                          'Maps%20%26%20Diagrams'
'TXXX:DISCOGS_CATALOG'                              'CACT 028'
'TXXX:DISCOGS_COUNTRY'                              'UK'
'TXXX:DISCOGS_LABEL'                                'Cactus Island Recordings'
'TXXX:DISCOGS_LABEL_LINK'                           'Cactus%20Island%20Recordings'
'TXXX:DISCOGS_ORIGINAL_TRACK_NUMBER'                '01'
'TXXX:DISCOGS_RELEASED'                             '01 Sep 2008'
'TXXX:DISCOGS_RELEASE_ID'                           '1458043'
'TXXX:DISCOGS_RELEASE_MONTH'                        '09'
'TXXX:MusicBrainz Album Artist Id'                  '7441bccd-67f4-4294-90d9-f9fd1bb4a37e'
'TXXX:MusicBrainz Album Id'                         '861061e2-8fc8-47d4-871d-31fb206e5c21'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '7441bccd-67f4-4294-90d9-f9fd1bb4a37e'
'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:STYLE'                                        'Leftfield/Abstract/IDM'
'TXXX:lastfmtags'                                   ['electronica', 'glitch', 'idm', 'ambient', 'deepspaceone', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.34 dB'
'TXXX:replaygain_track_peak'                        '0.805072'

========================== row from database ==========================
                                              'id'  1378236
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/[cact028] maps and diagrams - smeg (2008)/01 fcuarelas.mp3
                                         'working'  None
                                         'bitrate'  210
                                    'duration_sec'  84
                                           'genre'  electronic
                                        'filesize'  2222607
                                           'mtime'  1636913556
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer [cact028] maps diagrams smeg (2008) 01 fcuarelas electronic
                                      'tag_artist'  Maps and Diagrams
                                     'tag_release'  Smeg
                                       'tag_title'  Fcuarelas
                                             'bpm'  134.3
                                    'search_title'  'fcuarelas':1
                                   'search_artist'  'and':2 'diagrams':3 'maps':1
                                  'search_release'  'smeg':1
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 '2008':8,9 'cact028':3,4 'diagrams':6 'electronic':11 'fcuarelas':10 'maps':5 'smeg':7
                                    'search_combo'  '00calmer':7 '00poprockelectronic':6 '2008':13,14 'and':3B 'cact028':8,9 'diagrams':4B,11 'electronic':16 'fcuarelas':1A,15 'maps':2B,10 'smeg':5C,12
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'glitch', 'idm', 'ambient', 'deepspaceone', 'electronic']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636913556.0691924  (2021-11-14 19:12:36)
                             'size'  2222607