======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '553'
                                          'artist'  'Meat Katie meets Lee Coombs'
                                     'text_people'  ''
                                         'release'  'Sello "KingSize Records" (Ref: KS 78)'
                                           'title'  'Hum'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '131.926'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sello "KingSize Records" (Ref: KS 78)'
'TBPM' (BPM (beats per minute))                     '131.926'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Hum'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Meat Katie meets Lee Coombs'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.02 dB'
'TXXX:replaygain_track_peak'                        '0.591881'

========================== row from database ==========================
                                              'id'  1456446
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/00mixable/Unsorted/Meat Katie meets Lee Coombs__Sello _KingSize Records_ (Ref_ KS 78)__cifsac52.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  553
                                           'genre'  electronic-unsorted
                                        'filesize'  13294422
                                           'mtime'  1620558242
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat 00mixable Unsorted Coombs__Sello _KingSize Records_ (Ref_ 78)__cifsac52 electronic unsorted
                                      'tag_artist'  Meat Katie meets Lee Coombs
                                     'tag_release'  Sello "KingSize Records" (Ref: KS 78)
                                       'tag_title'  Hum
                                             'bpm'  131.926
                                    'search_title'  'hum':1
                                   'search_artist'  'coombs':5 'katie':2 'lee':4 'meat':1 'meets':3
                                  'search_release'  '78':7,8 'king':9 'kingsize':2 'ks':6 'records':3 'ref':4,5 'sello':1 'size':10
                                     'search_rest'  '00mixable':5 '00poprockelectronic':1 '78':13,15 'cifsac52':14,16 'coombs':7 'dance':3 'electronic':17 'generic':2 'king':18 'kingsize':9 'records':10 'ref':11,12 'sello':8 'size':19 'trapbeat':4 'unsorted':6
                                    'search_combo'  '00mixable':21 '00poprockelectronic':17 '78':13C,14C,29,31 'cifsac52':30,32 'coombs':6B,23 'dance':19 'electronic':33 'generic':18 'hum':1A 'katie':3B 'king':15C,34 'kingsize':8C,25 'ks':12C 'lee':5B 'meat':2B 'meets':4B 'records':9C,26 'ref':10C,11C,27,28 'sello':7C,24 'size':16C,35 'trapbeat':20 'unsorted':22
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620558241.6293166  (2021-05-09 13:04:01)
                             'size'  13294422