======================== unified (from filesystem) ========================
                                         'bitrate'  '167.271'
                                        'duration'  '284'
                                          'artist'  'Tone Language'
                                     'text_people'  ''
                                         'release'  'Patience Is The Key'
                                           'title'  'Lost And Found'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-2', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['glitch', 'experimental', 'ambient']"
                                     'discogstags'  "['abstract', 'idm', 'electronic', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  '10'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '141.9'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Patience Is The Key'
'TBPM' (BPM (beats per minute))                     '141.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Lost And Found'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tone Language'
'TRCK' (Track number/Position in set)               '08/10'
'TXXX:Artist Aliases'                               'Tone Language'
'TXXX:Artist Members'                               ['Tone Language', 'Ichiro Taniguchi', 'Kenji Taniguchi', 'Lee Norris']
"TXXX:Artist's Name Variations"                     'Tone Language'
"TXXX:Artist's Real Name"                           'Lee Norris, Ichiro Taniguchi, Kenji Taniguchi'
'TXXX:COUNTRY'                                      'Netherlands'
'TXXX:Catalog'                                      'KP     3001'
'TXXX:DISCOGS_RELEASE_ID'                           '72991'
'TXXX:Format'                                       'CD, Album'
'TXXX:In Groups'                                    'Tone Language'
'TXXX:Label'                                        'Korm Plastics'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:Released'                                     '2002'
'TXXX:discogstags'                                  ['abstract', 'idm', 'electronic', 'ambient']
'TXXX:lastfmtags'                                   ['glitch', 'experimental', 'ambient']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.90 dB'
'TXXX:replaygain_track_peak'                        '0.636872'

========================== row from database ==========================
                                              'id'  1382390
                                            'path'  /data/Music/Bulk/00poprockelectronic/00ambient/Tone Language - Patience Is The Key (2002)/08 - lost and found.mp3
                                         'working'  None
                                         'bitrate'  167
                                    'duration_sec'  284
                                           'genre'  electronic-ambient
                                        'filesize'  5981212
                                           'mtime'  1636910862
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00ambient (2002) 08 lost and found electronic ambient
                                      'tag_artist'  Tone Language
                                     'tag_release'  Patience Is The Key
                                       'tag_title'  Lost And Found
                                             'bpm'  141.9
                                    'search_title'  'and':2 'found':3 'lost':1
                                   'search_artist'  'language':2 'tone':1
                                  'search_release'  'is':2 'key':4 'patience':1 'the':3
                                     'search_rest'  '00ambient':2 '00poprockelectronic':1 '2002':3,4 'ambient':9 'and':6 'electronic':8 'found':7 'lost':5
                                    'search_combo'  '00ambient':11 '00poprockelectronic':10 '2002':12,13 'ambient':18 'and':2A,15 'electronic':17 'found':3A,16 'is':7C 'key':9C 'language':5B 'lost':1A,14 'patience':6C 'the':8C 'tone':4B
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-3', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['glitch', 'experimental', 'ambient']
                                        'tag_date'  2002
                                     'discogstags'  ['abstract', 'idm', 'electronic', 'ambient']

============================== file details ==============================
                                           'mtime'  1636910861.7873554  (2021-11-14 18:27:41)
                             'size'  5981212