======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '233'
                                          'artist'  'Corey Hart'
                                     'text_people'  ''
                                         'release'  'Billboard Top Pop Singles of 1'
                                           'title'  'Sunglasses At Night'
                                           'quals'  ("['Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-1']")
                                      'lastfmtags'  "['80s', 'new wave', 'synth pop', 'pop', 'canadian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '36'
                                      'tracktotal'  ''
                                            'date'  '1984'
                                        'comments'  ''
                                           'genre'  ('electronic-generic or radio-unsorted;electronic-we-new wave or post '
 'punk;electronic-we-electropop or synthpop')
                                             'bpm'  '127.846'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Billboard'
'TALB' (Album/Movie/Show title)                     'Billboard Top Pop Singles of 1'
'TBPM' (BPM (beats per minute))                     '127.846'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted',
 'electronic-we-new wave or post punk',
 'electronic-we-electropop or synthpop']
'TDRC' (Recording time)                             '1984'
'TIT2' (Title/songname/content description)         'Sunglasses At Night'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Corey Hart'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '36'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'synth pop', 'pop', 'canadian']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.51 dB'
'TXXX:replaygain_track_peak'                        '0.688991'

========================== row from database ==========================
                                              'id'  1326683
                                            'path'  /data/Music/Bulk/00poprockelectronic/Billboard/Billboard Top100/1984/036 - Corey Hart - Sunglasses At Night.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  233
                                           'genre'  electronic-generic or radio-unsorted;electronic-we-new wave or post punk;electronic-we-electropop or synthpop
                                        'filesize'  4682152
                                           'mtime'  1620567840
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Top100 1984 036 electronic generic radio unsorted;electronic we new wave post punk;electronic we electropop synthpop
                                      'tag_artist'  Corey Hart
                                     'tag_release'  Billboard Top Pop Singles of 1
                                       'tag_title'  Sunglasses At Night
                                             'bpm'  127.846
                                    'search_title'  'at':2 'night':3 'sunglasses':1
                                   'search_artist'  'corey':1 'hart':2
                                  'search_release'  '1':6 'billboard':1 'of':5 'pop':3 'singles':4 'top':2
                                     'search_rest'  '00poprockelectronic':1 '1984':3 'electronic':4,8,10,16,18 'electropop':19 'generic':5 'new':12 'post':14 'punk':15,17 'radio':6 'synthpop':20 'top100':2 'unsorted':7,9 'wave':13 'we':11
                                    'search_combo'  '00poprockelectronic':12 '1':11C '1984':14 'at':2A 'billboard':6C 'corey':4B 'electronic':15,19,21,27,29 'electropop':30 'generic':16 'hart':5B 'new':23 'night':3A 'of':10C 'pop':8C 'post':25 'punk':26,28 'radio':17 'singles':9C 'sunglasses':1A 'synthpop':31 'top':7C 'top100':13 'unsorted':18,20 'wave':24 'we':22
                                    'tag_tracknum'  36
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'synth pop', 'pop', 'canadian']
                                        'tag_date'  1984
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620567840.368693  (2021-05-09 15:44:00)
                             'size'  4682152