======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '298'
                                          'artist'  'Felix da Housecat'
                                     'text_people'  'D. Allison'
                                         'release'  'Excursions'
                                           'title'  'Substance [Felix da Housecat Mix]'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'house', 'electroclash', 'electronic', 'electro']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-we-electro'
                                             'bpm'  '128.658'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Excursions'
'TBPM' (BPM (beats per minute))                     '128.658'
'TCOM' (Composer)                                   'D. Allison'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electro'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Substance [Felix da Housecat Mix]'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dot Allison'
'TPE2' (Band/orchestra/accompaniment)               'Felix da Housecat'
'TPUB' (Publisher)                                  'Obsessive'
'TRCK' (Track number/Position in set)               '6'
'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:lastfmtags'                                   ['electronica', 'house', 'electroclash', 'electronic', 'electro']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.12 dB'
'TXXX:replaygain_track_peak'                        '0.447896'

========================== row from database ==========================
                                              'id'  1332359
                                            'path'  /data/Music/Bulk/00poprockelectronic/00electro-electropop-synthpop/Felix da Housecat/excursions/felix da housecat-excursions-06-substance.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  298
                                           'genre'  electronic-we-electro
                                        'filesize'  7162368
                                           'mtime'  1621697579
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00electro electropop synthpop excursions felix housecat excursions 06 substance electronic we electro
                                      'tag_artist'  Felix da Housecat
                                     'tag_release'  Excursions
                                       'tag_title'  Substance [Felix da Housecat Mix]
                                             'bpm'  128.658
                                    'search_title'  'da':4 'felix':2,3 'housecat':5 'mix':6,7 'substance':1
                                   'search_artist'  'da':2 'felix':1 'housecat':3
                                  'search_release'  'excursions':1
                                     'search_rest'  '00electro':2 '00poprockelectronic':1 'electro':11 'electronic':9 'electropop':3 'excursions':5 'felix':6 'housecat':7 'substance':8 'synthpop':4 'we':10
                                    'search_combo'  '00electro':13 '00poprockelectronic':12 'da':4A,9B 'electro':22 'electronic':20 'electropop':14 'excursions':11C,16 'felix':2A,3A,8B,17 'housecat':5A,10B,18 'mix':6A,7A 'substance':1A,19 'synthpop':15 'we':21
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-3', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'house', 'electroclash', 'electronic', 'electro']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697578.602759  (2021-05-22 17:32:58)
                             'size'  7162368