======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '164'
                                          'artist'  'Boreson & Setterberg'
                                     'text_people'  ''
                                         'release'  'Rare Novelty  Vol. 2'
                                           'title'  'Swanson, Swenson, Jenson'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-th-novelty'
                                             'bpm'  '135.094'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            'None'
'COMM:MusicMatch_Preference:eng'                    'None'
'TALB' (Album/Movie/Show title)                     'Rare Novelty  Vol. 2'
'TBPM' (BPM (beats per minute))                     '135.094'
'TCON' (Content type, a.k.a. Genre)                 'set-th-novelty'
'TIT2' (Title/songname/content description)         'Swanson, Swenson, Jenson'
'TKEY' (Initial key)                                '9B'
'TLEN' (Length)                                     '165903'
'TPE1' (Lead performer(s)/Soloist(s))               'Boreson & Setterberg'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '15'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+3.31 dB'
'TXXX:replaygain_track_peak'                        '0.500317'

========================== row from database ==========================
                                              'id'  1329306
                                            'path'  /data/Music/Bulk/00poprockelectronic/novelty/2/15 Swanson, Swenson, Jenson.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  164
                                           'genre'  set-th-novelty
                                        'filesize'  6710652
                                           'mtime'  1628353943
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic novelty 15 set th novelty
                                      'tag_artist'  Boreson & Setterberg
                                     'tag_release'  Rare Novelty  Vol. 2
                                       'tag_title'  Swanson, Swenson, Jenson
                                             'bpm'  135.094
                                    'search_title'  'jenson':5 'swanson':1,2 'swenson':3,4
                                   'search_artist'  'boreson':1 'setterberg':2
                                  'search_release'  '2':5 'novelty':2 'rare':1 'vol':3,4
                                     'search_rest'  '00poprockelectronic':1 'novelty':2 'set':3 'th':4
                                    'search_combo'  '00poprockelectronic':13 '2':12C 'boreson':6B 'jenson':5A 'novelty':9C,14 'rare':8C 'set':15 'setterberg':7B 'swanson':1A,2A 'swenson':3A,4A 'th':16 'vol':10C,11C
                                    'tag_tracknum'  15
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628353943.2059147  (2021-08-07 18:32:23)
                             'size'  6710652