======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '208'
                                          'artist'  'Odyssey'
                                     'text_people'  ''
                                         'release'  'Billboard Top Pop Singles of 1'
                                           'title'  'Native New Yorker'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-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-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['drum and bass', 'hardcore', 'progressive metal', 'funk', 'disco']"
                                     'discogstags'  "['electronic', 'drum n bass']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '91'
                                      'tracktotal'  ''
                                            'date'  '1978'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;electronic-th-breakbeat or dnb or jungle'
                                             'bpm'  '108.297'
                                             'key'  '1A'
                                        '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))                     '108.297'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted',
 'electronic-th-breakbeat or dnb or jungle',
 'electronic-th-breakbeat or dnb or jungle']
'TDRC' (Recording time)                             '1978'
'TIT2' (Title/songname/content description)         'Native New Yorker'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Odyssey'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '91'
'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:discogstags'                                  ['electronic', 'drum n bass']
'TXXX:lastfmtags'                                   ['drum and bass', 'hardcore', 'progressive metal', 'funk', 'disco']
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.49 dB'
'TXXX:replaygain_track_peak'                        '0.649125'

========================== row from database ==========================
                                              'id'  1353388
                                            'path'  /data/Music/Bulk/00poprockelectronic/Billboard/Billboard Top100/1978/091 - Odyssey - Native New Yorker.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  208
                                           'genre'  electronic-generic or radio-unsorted;electronic-th-breakbeat or dnb or jungle
                                        'filesize'  4173274
                                           'mtime'  1621697699
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Top100 1978 091 electronic generic radio unsorted;electronic th breakbeat dnb jungle
                                      'tag_artist'  Odyssey
                                     'tag_release'  Billboard Top Pop Singles of 1
                                       'tag_title'  Native New Yorker
                                             'bpm'  108.297
                                    'search_title'  'native':1 'new':2 'yorker':3
                                   'search_artist'  'odyssey':1
                                  'search_release'  '1':6 'billboard':1 'of':5 'pop':3 'singles':4 'top':2
                                     'search_rest'  '00poprockelectronic':1 '1978':3 'breakbeat':12 'dnb':13 'electronic':4,8,10 'generic':5 'jungle':14 'radio':6 'th':11 'top100':2 'unsorted':7,9
                                    'search_combo'  '00poprockelectronic':11 '1':10C '1978':13 'billboard':5C 'breakbeat':22 'dnb':23 'electronic':14,18,20 'generic':15 'jungle':24 'native':1A 'new':2A 'odyssey':4B 'of':9C 'pop':7C 'radio':16 'singles':8C 'th':21 'top':6C 'top100':12 'unsorted':17,19 'yorker':3A
                                    'tag_tracknum'  91
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['drum and bass', 'hardcore', 'progressive metal', 'funk', 'disco']
                                        'tag_date'  1978
                                     'discogstags'  ['electronic', 'drum n bass']

============================== file details ==============================
                                           'mtime'  1621697698.521452  (2021-05-22 17:34:58)
                             'size'  4173274