======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '449'
                                          'artist'  'Infected Mushroom'
                                     'text_people'  ''
                                         'release'  'The Gathering'
                                           'title'  'Tommy the Bat'
                                           '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-1', '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'  '7'
                                      'tracktotal'  '9'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-th-trance-goa or psy'
                                             'bpm'  '147'
                                             'key'  '8A'
                                        'acoustid'  'e18cee5d-2ac6-4b8f-ac84-26e0f5ea9c49'
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))                     '147'
'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)         'Tommy the Bat'
'TKEY' (Initial key)                                '8A'
'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)               '7/9'
'TSO2'                                              'Infected Mushroom'
'TSOP' (Performer sort order)                       'Infected Mushroom'
'TXXX:Acoustid Id'                                  'e18cee5d-2ac6-4b8f-ac84-26e0f5ea9c49'
'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'                 '822d7f8f-3132-32ab-96aa-a723e02a9e53'
'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'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.13 dB'
'TXXX:replaygain_track_peak'                        '0.555288'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'2169ef1a-9b46-4bd2-b72e-3e99b0e1c2ee')

========================== row from database ==========================
                                              'id'  1403129
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Infected Mushroom/The Gathering/07 Tommy the Bat.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  449
                                           'genre'  electronic-th-trance-goa or psy
                                        'filesize'  10891320
                                           'mtime'  1620559339
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat 07 electronic trance goa or psy
                                      'tag_artist'  Infected Mushroom
                                     'tag_release'  The Gathering
                                       'tag_title'  Tommy the Bat
                                             'bpm'  147.0
                                    'search_title'  'bat':3 'the':2 'tommy':1
                                   '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':8 'bat':3A 'dance':10 'electronic':12 'gathering':7C 'generic':9 'goa':14 'infected':4B 'mushroom':5B 'or':15 'psy':16 'the':2A,6C 'tommy':1A 'trance':13 'trapbeat':11
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  8A
                                           '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-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['trance', 'goa', 'electronic', 'psychedelic', 'psytrance']
                                        'tag_date'  2007
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620559339.1490874  (2021-05-09 13:22:19)
                             'size'  10891320