======================== unified (from filesystem) ========================
                                         'bitrate'  '127.794'
                                        'duration'  '231'
                                          'artist'  'The Flying Pickets'
                                     'text_people'  ''
                                         'release'  'The Original Flying Pickets, V'
                                           'title'  'She Drives Me Crazy'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['a cappella', '80s', 'british', 'pop', 'acapella']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '107.492'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '1990s'
'TALB' (Album/Movie/Show title)                     'The Original Flying Pickets, V'
'TBPM' (BPM (beats per minute))                     '107.492'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'She Drives Me Crazy'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Flying Pickets'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['a cappella', '80s', 'british', 'pop', 'acapella']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.67 dB'
'TXXX:replaygain_track_peak'                        '0.401355'

========================== row from database ==========================
                                              'id'  1307007
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Flying Pickets/Kermit The Frog & Miss Piggy__She Drives Me Crazy.mp3
                                         'working'  None
                                         'bitrate'  127
                                    'duration_sec'  231
                                           'genre'  electronic-unsorted
                                        'filesize'  3697558
                                           'mtime'  1620572234
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Kermit Frog & Miss Piggy__She electronic unsorted
                                      'tag_artist'  The Flying Pickets
                                     'tag_release'  The Original Flying Pickets, V
                                       'tag_title'  She Drives Me Crazy
                                             'bpm'  107.492
                                    'search_title'  'crazy':4 'drives':2 'me':3 'she':1
                                   'search_artist'  'flying':2 'pickets':3 'the':1
                                  'search_release'  'flying':3 'original':2 'pickets':4,5 'the':1 'v':6
                                     'search_rest'  '00poprockelectronic':1 'electronic':7 'frog':3 'kermit':2 'miss':4 'piggy':5 'she':6 'unsorted':8
                                    'search_combo'  '00poprockelectronic':14 'crazy':4A 'drives':2A 'electronic':20 'flying':6B,10C 'frog':16 'kermit':15 'me':3A 'miss':17 'original':9C 'pickets':7B,11C,12C 'piggy':18 'she':1A,19 'the':5B,8C 'unsorted':21 'v':13C
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  3A
                                           '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-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['a cappella', '80s', 'british', 'pop', 'acapella']
                                        'tag_date'  1994
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620572233.61816  (2021-05-09 16:57:13)
                             'size'  3697558