======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '195'
                                          'artist'  'Billy Joel'
                                     'text_people'  ''
                                         'release'  'Billboard Top Pop Singles of 1'
                                           'title'  'Uptown Girl'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['rock', 'singer songwriter', 'piano', 'pop', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '39'
                                      'tracktotal'  ''
                                            'date'  '1984'
                                        'comments'  ''
                                           'genre'  ('electronic-generic or '
 'radio-unsorted;rock-cppex;ifs-songwriter-pop;ifs-songwriter-rock')
                                             'bpm'  '129.150'
                                             'key'  '12B'
                                        '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))                     '129.150'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted',
 'rock-cppex',
 'ifs-songwriter-pop',
 'ifs-songwriter-rock']
'TDRC' (Recording time)                             '1984'
'TIT2' (Title/songname/content description)         'Uptown Girl'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Billy Joel'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '39'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rock', 'singer songwriter', 'piano', 'pop', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.76 dB'
'TXXX:replaygain_track_peak'                        '0.664012'

========================== row from database ==========================
                                              'id'  1304482
                                            'path'  /data/Music/Bulk/00poprockelectronic/Billboard/Billboard Top100/1984/039 - Billy Joel - Uptown Girl.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  195
                                           'genre'  electronic-generic or radio-unsorted;rock-cppex;ifs-songwriter-pop;ifs-songwriter-rock
                                        'filesize'  3904690
                                           'mtime'  1642256383
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Top100 1984 039 electronic generic or radio unsorted;rock cppex;ifs songwriter pop;ifs songwriter rock
                                      'tag_artist'  Billy Joel
                                     'tag_release'  Billboard Top Pop Singles of 1
                                       'tag_title'  Uptown Girl
                                             'bpm'  129.15
                                    'search_title'  'girl':2 'uptown':1
                                   'search_artist'  'billy':1 'joel':2
                                  'search_release'  '1':6 'billboard':1 'of':5 'pop':3 'singles':4 'top':2
                                     'search_rest'  '00poprockelectronic':1 '1984':3 'cppex':12,14 'electronic':4 'generic':5 'ifs':13,15,18,20 'or':6 'pop':17,19 'radio':7 'rock':9,11,21 'songwriter':16 'top100':2 'unsorted':8,10
                                    'search_combo'  '00poprockelectronic':11 '1':10C '1984':13 'billboard':5C 'billy':3B 'cppex':22,24 'electronic':14 'generic':15 'girl':2A 'ifs':23,25,28,30 'joel':4B 'of':9C 'or':16 'pop':7C,27,29 'radio':17 'rock':19,21,31 'singles':8C 'songwriter':26 'top':6C 'top100':12 'unsorted':18,20 'uptown':1A
                                    'tag_tracknum'  39
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-UNU-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']
                                      'lastfmtags'  ['rock', 'singer songwriter', 'piano', 'pop', 'classic rock']
                                        'tag_date'  1984
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642256382.9445057  (2022-01-15 15:19:42)
                             'size'  3904690