======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '196'
                                          'artist'  'The Pettit Project'
                                     'text_people'  ''
                                         'release'  'We Need Money for Gas on Tour'
                                           'title'  'Simple Song Simple Plan'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', "
 "'q-play-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-chart-2', 'q-drums-3', 'q-other-3', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['pop punk', 'power pop', 'canadian', 'powerpop', 'indie']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '8'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '136.092'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Canadian'
'COMM:Songs-DB_Custom3:eng'                         'Canadian'
'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'We Need Money for Gas on Tour'
'TBPM' (BPM (beats per minute))                     '136.092'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Simple Song Simple Plan'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'the pettit project'
'TPE2' (Band/orchestra/accompaniment)               'The Pettit Project'
'TRCK' (Track number/Position in set)               '6/8'
'TSOP' (Performer sort order)                       'Pettit Project, The'
'TXXX:ALBUMARTISTSORT'                              'Pettit Project, The'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MP3GAIN_MINMAX'                               '109,190'
'TXXX:MusicBrainz Album Artist Id'                  '8e767fb2-c2e4-42e0-96ad-e3ef213c2ccb'
'TXXX:MusicBrainz Album Id'                         '57269581-dfb3-4d1d-a170-6e5c5871a469'
'TXXX:MusicBrainz Album Type'                       'album'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['pop punk', 'power pop', 'canadian', 'powerpop', 'indie']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.82 dB'
'TXXX:replaygain_track_peak'                        '0.277543'

========================== row from database ==========================
                                              'id'  1319349
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/The Pettit Project__cifsebd1.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  196
                                           'genre'  rock-gr-punk
                                        'filesize'  3144122
                                           'mtime'  1622659321
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Project__cifsebd1 rock gr punk
                                      'tag_artist'  The Pettit Project
                                     'tag_release'  We Need Money for Gas on Tour
                                       'tag_title'  Simple Song Simple Plan
                                             'bpm'  136.092
                                    'search_title'  'plan':3 'simple':1 'song':2
                                   'search_artist'  'pettit':2 'project':3 'the':1
                                  'search_release'  'for':4 'gas':5 'money':3 'need':2 'on':6 'tour':7 'we':1
                                     'search_rest'  '00poprockelectronic':1 'cifsebd1':8 'files':5,6 'gr':10 'loose':3,4 'project':7 'punk':11 'rock':9 'unsorted':2
                                    'search_combo'  '00poprockelectronic':14 'cifsebd1':21 'files':18,19 'for':10C 'gas':11C 'gr':23 'loose':16,17 'money':9C 'need':8C 'on':12C 'pettit':5B 'plan':3A 'project':6B,20 'punk':24 'rock':22 'simple':1A 'song':2A 'the':4B 'tour':13C 'unsorted':15 'we':7C
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['pop punk', 'power pop', 'canadian', 'powerpop', 'indie']
                                        'tag_date'  2001
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622659320.694647  (2021-06-02 20:42:00)
                             'size'  3144122