======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '182'
                                          'artist'  'RIAA'
                                     'text_people'  ''
                                         'release'  'Dirt Bacharach'
                                           'title'  'I Hate Your Little Red Book (Kelis vs Love)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'mashup', 'bastard pop', 'experimental', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'set-mashup or collage'
                                             'bpm'  '106.6'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Dirt Bacharach'
'TBPM' (BPM (beats per minute))                     '106.6'
'TCON' (Content type, a.k.a. Genre)                 'set-mashup or collage'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'I Hate Your Little Red Book (Kelis vs Love)'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'RIAA'
'TRCK' (Track number/Position in set)               '8'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['electronica', 'mashup', 'bastard pop', 'experimental', 'funk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.73 dB'
'TXXX:replaygain_track_peak'                        '0.483862'

========================== row from database ==========================
                                              'id'  407444
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/RIAA/2006 - Dirt Bacharach/08 - I Hate Your Little Red Book (Kelis vs Love).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  182
                                           'genre'  set-mashup or collage
                                        'filesize'  4400956
                                           'mtime'  1636756625
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 2006 08 set mashup or collage
                                      'tag_artist'  RIAA
                                     'tag_release'  Dirt Bacharach
                                       'tag_title'  I Hate Your Little Red Book (Kelis vs Love)
                                             'bpm'  106.6
                                    'search_title'  'book':6 'hate':2 'i':1 'kelis':7,8 'little':4 'love':10,11 'red':5 'vs':9 'your':3
                                   'search_artist'  'riaa':1
                                  'search_release'  'bacharach':2 'dirt':1
                                     'search_rest'  '2006':1 'collage':5 'mashup':3 'or':4 'set':2
                                    'search_combo'  '2006':15 'bacharach':14C 'book':6A 'collage':19 'dirt':13C 'hate':2A 'i':1A 'kelis':7A,8A 'little':4A 'love':10A,11A 'mashup':17 'or':18 'red':5A 'riaa':12B 'set':16 'vs':9A 'your':3A
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'mashup', 'bastard pop', 'experimental', 'funk']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636756625.0526326  (2021-11-12 23:37:05)
                             'size'  4400956