======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '255'
                                          'artist'  'Sugababes'
                                     'text_people'  ''
                                         'release'  'The Hits'
                                           'title'  'Overload'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['dance', 'rnb', 'female vocalists', 'british', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '124.545'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Hits'
'TBPM' (BPM (beats per minute))                     '124.545'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Overload'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sugababes'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['dance', 'rnb', 'female vocalists', 'british', 'pop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.40 dB'
'TXXX:replaygain_track_peak'                        '0.501900'

========================== row from database ==========================
                                              'id'  1311057
                                            'path'  /data/Music/Bulk/00poprockelectronic/Sugababes/MBZ;#Sugababes;#The HITS;#11;#Overload.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  255
                                           'genre'  electronic-unsorted
                                        'filesize'  4098335
                                           'mtime'  1621696612
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Sugababes;#The HITS;#11;#Overload electronic unsorted
                                      'tag_artist'  Sugababes
                                     'tag_release'  The Hits
                                       'tag_title'  Overload
                                             'bpm'  124.545
                                    'search_title'  'overload':1
                                   'search_artist'  'sugababes':1
                                  'search_release'  'hits':2 'the':1
                                     'search_rest'  '00poprockelectronic':1 '11':9,12 'electronic':14 'hits':8,11 'mbz':2,5 'overload':10,13 'sugababes':3,6 'the':4,7 'unsorted':15
                                    'search_combo'  '00poprockelectronic':5 '11':13,16 'electronic':18 'hits':4C,12,15 'mbz':6,9 'overload':1A,14,17 'sugababes':2B,7,10 'the':3C,8,11 'unsorted':19
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', '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-4', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'rnb', 'female vocalists', 'british', 'pop']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696611.949756  (2021-05-22 17:16:51)
                             'size'  4098335