======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '358'
                                          'artist'  'Fatboy Slim'
                                     'text_people'  ''
                                         'release'  'A Cdx Rip'
                                           'title'  'Renegade Master (Old Skool Mix'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-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-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dance', 'house', 'electronica', 'electronic', 'big beat']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '124.698'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Fatboy Slim Old Skool Mix'
'TALB' (Album/Movie/Show title)                     'A Cdx Rip'
'TBPM' (BPM (beats per minute))                     '124.698'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Renegade Master (Old Skool Mix'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Fatboy Slim'
'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'                                   ['dance', 'house', 'electronica', 'electronic', 'big beat']
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.74 dB'
'TXXX:replaygain_track_peak'                        '0.496843'

========================== row from database ==========================
                                              'id'  1283055
                                            'path'  /data/Music/Bulk/00poprockelectronic/Fatboy Slim/A Cdx Rip__Renegade Master (Old Skool Mix).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  358
                                           'genre'  electronic-unsorted
                                        'filesize'  5733813
                                           'mtime'  1621696243
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Rip__Renegade Mix) electronic unsorted
                                      'tag_artist'  Fatboy Slim
                                     'tag_release'  A Cdx Rip
                                       'tag_title'  Renegade Master (Old Skool Mix
                                             'bpm'  124.698
                                    'search_title'  'master':2 'mix':6 'old':3,4 'renegade':1 'skool':5
                                   'search_artist'  'fatboy':1 'slim':2
                                  'search_release'  'a':1 'cdx':2 'rip':3
                                     'search_rest'  '00poprockelectronic':1 'electronic':6 'mix':4,5 'renegade':3 'rip':2 'unsorted':7
                                    'search_combo'  '00poprockelectronic':12 'a':9C 'cdx':10C 'electronic':17 'fatboy':7B 'master':2A 'mix':6A,15,16 'old':3A,4A 'renegade':1A,14 'rip':11C,13 'skool':5A 'slim':8B 'unsorted':18
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'house', 'electronica', 'electronic', 'big beat']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696242.6284616  (2021-05-22 17:10:42)
                             'size'  5733813