======================== unified (from filesystem) ========================
                                         'bitrate'  '159.98'
                                        'duration'  '209'
                                          'artist'  'Eddie Floyd, Wilson Pickett, Jonny Lang and The Blues Brothers Band'
                                     'text_people'  ''
                                         'release'  'Billboard Top 100 - 1966'
                                           'title'  '634-5789'
                                           'quals'  ("['Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['soundtrack', '634-5789']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '107.038'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Billboard'
'COMM:Track:Comments:eng'                           'Billboard'
'TALB' (Album/Movie/Show title)                     'Billboard Top 100 - 1966'
'TBPM' (BPM (beats per minute))                     '107.038'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         '634-5789'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Eddie Floyd, Wilson Pickett, Jonny Lang and The Blues Brothers Band'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['soundtrack', '634-5789']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'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'                        '+19.76 dB'
'TXXX:replaygain_track_peak'                        '0.042972'

========================== row from database ==========================
                                              'id'  1286165
                                            'path'  /data/Music/Bulk/00poprockelectronic/Billboard/100 - Wilson Pickett And The Blues Brothers Band - 634-5789.mp3
                                         'working'  None
                                         'bitrate'  159
                                    'duration_sec'  209
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  4195223
                                           'mtime'  1620567726
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic And electronic generic or radio unsorted
                                      'tag_artist'  Eddie Floyd, Wilson Pickett, Jonny Lang and The Blues Brothers Band
                                     'tag_release'  Billboard Top 100 - 1966
                                       'tag_title'  634-5789
                                             'bpm'  107.038
                                    'search_title'  '5789':2 '634':1 '6345789':3
                                   'search_artist'  'and':9 'band':13 'blues':11 'brothers':12 'eddie':1 'floyd':2,3 'jonny':7 'lang':8 'pickett':5,6 'the':10 'wilson':4
                                  'search_release'  '100':3 '1966':4 'billboard':1 'top':2
                                     'search_rest'  '00poprockelectronic':1 'and':2 'electronic':3 'generic':4 'or':5 'radio':6 'unsorted':7
                                    'search_combo'  '00poprockelectronic':21 '100':19C '1966':20C '5789':2A '634':1A '6345789':3A 'and':12B,22 'band':16B 'billboard':17C 'blues':14B 'brothers':15B 'eddie':4B 'electronic':23 'floyd':5B,6B 'generic':24 'jonny':10B 'lang':11B 'or':25 'pickett':8B,9B 'radio':26 'the':13B 'top':18C 'unsorted':27 'wilson':7B
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['soundtrack', '634-5789']
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620567726.2570875  (2021-05-09 15:42:06)
                             'size'  4195223