======================== unified (from filesystem) ========================
                                         'bitrate'  '192.473'
                                        'duration'  '233'
                                          'artist'  'The Wet Spots'
                                     'text_people'  ''
                                         'release'  'Hello Kinky'
                                           'title'  'Booty Call'
                                           'quals'  "['q-bass-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '10'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'amusing'
                                             'bpm'  '87.9'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'APIC:\\\\7digital.local\\link5\\osgood\\IODA\\7digital_20080528_17580\\05\\OUT\\sleeveart\\450951_500.jpg'  type PictureType.COVER_FRONT (Cover (front)) b'\\\\7digital.local\\link5\\osgood\\IODA\\7digital_20080528_17580\\05\\OUT\\sleeveart\\450951_500.jpg'
                                     
'COMM::eng'                                         'Purchased from 7digital.com'
'TALB' (Album/Movie/Show title)                     'Hello Kinky'
'TBPM' (BPM (beats per minute))                     '87.9'
'TCON' (Content type, a.k.a. Genre)                 'amusing'
'TCOP' (Copyright message)                          '2006 Independent'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Booty Call'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Wet Spots'
'TPE2' (Band/orchestra/accompaniment)               'The Wet Spots'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '9/10'
'TXXX:MP3GAIN_MINMAX'                               '028,231'
'TXXX:MP3GAIN_UNDO'                                 '+006,+006,N'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.10 dB'
'TXXX:replaygain_track_peak'                        '0.379861'

========================== row from database ==========================
                                              'id'  1538235
                                            'path'  /data/Music/Other/PrevSet/[8ohdear]/The Wet Spots/Booty Call.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  233
                                           'genre'  amusing
                                        'filesize'  5695279
                                           'mtime'  1662800467
                                   'redo_metaread'  0
                                        'rest_str'   PrevSet [8ohdear] amusing
                                      'tag_artist'  The Wet Spots
                                     'tag_release'  Hello Kinky
                                       'tag_title'  Booty Call
                                             'bpm'  87.9
                                    'search_title'  'booty':1 'call':2
                                   'search_artist'  'spots':3 'the':1 'wet':2
                                  'search_release'  'hello':1 'kinky':2
                                     'search_rest'  '8ohdear':2,3 'amusing':4 'prev':5 'prevset':1 'set':6
                                    'search_combo'  '8ohdear':9,10 'amusing':11 'booty':1A 'call':2A 'hello':6C 'kinky':7C 'prev':12 'prevset':8 'set':13 'spots':5B 'the':3B 'wet':4B
                                    'tag_tracknum'  9
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['q-bass-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3']
                                      'lastfmtags'  []
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1662800466.5315537  (2022-09-10 11:01:06)
                             'size'  5695279