======================== unified (from filesystem) ========================
                                         'bitrate'  '194.857'
                                        'duration'  '502'
                                          'artist'  'KiloWatts'
                                     'text_people'  ''
                                         'release'  'Ground State'
                                           'title'  'Old Twisted Trees'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['deepspaceone', 'downtempo', 'idm', 'electronic', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '8'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-beats'
                                             'bpm'  '90.0'
                                             'key'  '7A'
                                        'acoustid'  '55e616ce-f2f6-44ba-b3b4-1613d10948e7'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Ground State'
'TBPM' (BPM (beats per minute))                     '90.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-beats'
'TDOR' (Original release time)                      '2007'
'TDRC' (Recording time)                             '2007-12-03'
'TENC' (Encoded by)                                 'LAME3.97 (-V2 --vbr-new)'
'TIT2' (Title/songname/content description)         'Old Twisted Trees'
'TKEY' (Initial key)                                '7A'
'TLAN' (Language(s))                                'English'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'KiloWatts'
'TPE2' (Band/orchestra/accompaniment)               'KiloWatts'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Native State Records'
'TRCK' (Track number/Position in set)               '4/8'
'TSO2'                                              'KiloWatts'
'TSOP' (Performer sort order)                       'KiloWatts'
'TXXX:ASIN'                                         'B000Y0YWG4'
'TXXX:Acoustid Id'                                  '55e616ce-f2f6-44ba-b3b4-1613d10948e7'
'TXXX:BARCODE'                                      '837101442282'
'TXXX:CATALOGNUMBER'                                'NSCD008'
'TXXX:MusicBrainz Album Artist Id'                  '957122f7-79d3-440d-9bde-eddc1972ba43'
'TXXX:MusicBrainz Album Id'                         'd6bc5292-aae0-4d98-b7d1-d08f0aa52f1e'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '957122f7-79d3-440d-9bde-eddc1972ba43'
'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:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['deepspaceone', 'downtempo', 'idm', 'electronic', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.22 dB'
'TXXX:replaygain_track_peak'                        '0.535851'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'1fcf74c3-4efe-4711-b8cd-10972d6ba7bf')

========================== row from database ==========================
                                              'id'  1376690
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/[NSCD008] KiloWatts - Ground state (CD, 2007)/04. kilowatts - old twisted trees.mp3
                                         'working'  None
                                         'bitrate'  194
                                    'duration_sec'  502
                                           'genre'  electronic-generic or radio-beats
                                        'filesize'  12256100
                                           'mtime'  1620564421
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats [NSCD008] state (CD, 2007) 04. kilowatts old twisted trees electronic generic or radio beats
                                      'tag_artist'  KiloWatts
                                     'tag_release'  Ground State
                                       'tag_title'  Old Twisted Trees
                                             'bpm'  90.0
                                    'search_title'  'old':1 'trees':3 'twisted':2
                                   'search_artist'  'kilo':2 'kilowatts':1 'watts':3
                                  'search_release'  'ground':1 'state':2
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 '04':13,14 '2007':11,12 'beats':5 'cd':9,10 'electronic':19 'generic':20 'harder':4 'house':3 'kilowatts':15 'nscd008':6,7 'old':16 'or':21 'radio':22 'state':8 'trees':18 'twisted':17
                                    'search_combo'  '00poprockelectronic':9 '00techno':10 '04':21,22 '2007':19,20 'beats':13 'cd':17,18 'electronic':27 'generic':28 'ground':7C 'harder':12 'house':11 'kilo':5B 'kilowatts':4B,23 'nscd008':14,15 'old':1A,24 'or':29 'radio':30 'state':8C,16 'trees':3A,26 'twisted':2A,25 'watts':6B
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['deepspaceone', 'downtempo', 'idm', 'electronic', 'ambient']
                                        'tag_date'  2007
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620564420.7138278  (2021-05-09 14:47:00)
                             'size'  12256100