======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '493'
                                          'artist'  'Infected Mushroom'
                                     'text_people'  ''
                                         'release'  'The Gathering'
                                           'title'  'Return of the Shadows'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-4', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['trance', 'goa', 'electronic', 'psychedelic', 'psytrance']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '9'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-th-trance-goa or psy'
                                             'bpm'  '143'
                                             'key'  '7B'
                                        'acoustid'  '3e611dd4-9112-42c6-b944-589d7afd0402'
rest: ''

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

'APIC:My own scan of album cover'                   type PictureType.COVER_FRONT (Cover (front)) b'My own scan of album cover'
                                     
'TALB' (Album/Movie/Show title)                     'The Gathering'
'TBPM' (BPM (beats per minute))                     '143'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-trance-goa or psy'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '2007-09-21'
'TIT2' (Title/songname/content description)         'Return of the Shadows'
'TKEY' (Initial key)                                '7B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Infected Mushroom'
'TPE2' (Band/orchestra/accompaniment)               'Infected Mushroom'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Victor'
'TRCK' (Track number/Position in set)               '3/9'
'TSO2'                                              'Infected Mushroom'
'TSOP' (Performer sort order)                       'Infected Mushroom'
'TXXX:Acoustid Id'                                  '3e611dd4-9112-42c6-b944-589d7afd0402'
'TXXX:Artists'                                      'Infected Mushroom'
'TXXX:CATALOGNUMBER'                                'VICP-63863'
'TXXX:MusicBrainz Album Artist Id'                  'eab76c9f-ff91-4431-b6dd-3b976c598020'
'TXXX:MusicBrainz Album Id'                         '9e0c0528-df5e-3aac-97b1-0318a9fb23f2'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'eab76c9f-ff91-4431-b6dd-3b976c598020'
'TXXX:MusicBrainz Release Group Id'                 '2866a58b-fa4d-3852-b176-dafe7db1e54f'
'TXXX:MusicBrainz Release Track Id'                 'cd4ba4c6-d0cc-397e-89a0-e7678caf9aef'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['trance', 'goa', 'electronic', 'psychedelic', 'psytrance']
'TXXX:originalyear'                                 '1999'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.17 dB'
'TXXX:replaygain_track_peak'                        '0.567905'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'6355125e-5e31-4348-9c52-387dd69f0da6')

========================== row from database ==========================
                                              'id'  1407863
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Infected Mushroom/The Gathering/03 Return of the Shadows.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  493
                                           'genre'  electronic-th-trance-goa or psy
                                        'filesize'  11948788
                                           'mtime'  1620559328
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat 03 electronic trance goa or psy
                                      'tag_artist'  Infected Mushroom
                                     'tag_release'  The Gathering
                                       'tag_title'  Return of the Shadows
                                             'bpm'  143.0
                                    'search_title'  'of':2 'return':1 'shadows':4 'the':3
                                   'search_artist'  'infected':1 'mushroom':2
                                  'search_release'  'gathering':2 'the':1
                                     'search_rest'  '00poprockelectronic':1 'dance':3 'electronic':5 'generic':2 'goa':7 'or':8 'psy':9 'trance':6 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':9 'dance':11 'electronic':13 'gathering':8C 'generic':10 'goa':15 'infected':5B 'mushroom':6B 'of':2A 'or':16 'psy':17 'return':1A 'shadows':4A 'the':3A,7C 'trance':14 'trapbeat':12
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-4', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['trance', 'goa', 'electronic', 'psychedelic', 'psytrance']
                                        'tag_date'  2007
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620559327.7506816  (2021-05-09 13:22:07)
                             'size'  11948788