======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '272'
                                          'artist'  'Simply Red'
                                     'text_people'  ''
                                         'release'  "Picture Book: Collector's Edition"
                                           'title'  'Sad Old Red'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'Q-PLAY-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-4', 'q-drums-2', 'q-other-2', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s/british/soul/pop/rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '15'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '117.398'
                                             'key'  '7A'
                                        'acoustid'  'd8fa3b99-2c0e-4aee-be7c-1e78e5887a0e'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     "Picture Book: Collector's Edition"
'TBPM' (BPM (beats per minute))                     '117.398'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDOR' (Original release time)                      '1985'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Sad Old Red'
'TKEY' (Initial key)                                '7A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Simply Red'
'TPE2' (Band/orchestra/accompaniment)               'Simply Red'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Rhino Records'
'TRCK' (Track number/Position in set)               '2/15'
'TSO2'                                              'Simply Red'
'TSOP' (Performer sort order)                       'Simply Red'
'TSRC' (ISRC (international standard recording code))  'GBCRL0800114'
'TXXX:ASIN'                                         'B0018BDAM0'
'TXXX:Acoustid Id'                                  'd8fa3b99-2c0e-4aee-be7c-1e78e5887a0e'
'TXXX:Artists'                                      'Simply Red'
'TXXX:BARCODE'                                      '0825646951451'
'TXXX:CATALOGNUMBER'                                '2564-69514-5'
'TXXX:MusicBrainz Album Artist Id'                  'a9100753-f539-43cf-bcc9-579566fb512e'
'TXXX:MusicBrainz Album Id'                         '9e16df55-a628-4030-83a4-a96f26f35830'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'a9100753-f539-43cf-bcc9-579566fb512e'
'TXXX:MusicBrainz Release Group Id'                 '7a80d7c7-94f0-302b-90d9-d5ae4cbe3dae'
'TXXX:MusicBrainz Release Track Id'                 '21127b42-8862-3421-a69c-9af405d38327'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   '80s/british/soul/pop/rock'
'TXXX:originalyear'                                 '1985'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.00 dB'
'TXXX:replaygain_track_peak'                        '1.024521'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'19140a28-9e97-458e-a8e9-6d48f144a548')

========================== row from database ==========================
                                              'id'  1299141
                                            'path'  /data/Music/Bulk/00poprockelectronic/Simply Red/Picture Book/Simply - Sad Old Red.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  272
                                           'genre'  rock-unsorted
                                        'filesize'  4439565
                                           'mtime'  1637784885
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic rock unsorted
                                      'tag_artist'  Simply Red
                                     'tag_release'  Picture Book: Collector's Edition
                                       'tag_title'  Sad Old Red
                                             'bpm'  117.398
                                    'search_title'  'old':2 'red':3 'sad':1
                                   'search_artist'  'red':2 'simply':1
                                  'search_release'  'book':2,3 'collector':4 'collectors':6 'edition':7 'picture':1 's':5
                                     'search_rest'  '00poprockelectronic':1 'rock':2 'unsorted':3
                                    'search_combo'  '00poprockelectronic':13 'book':7C,8C 'collector':9C 'collectors':11C 'edition':12C 'old':2A 'picture':6C 'red':3A,5B 'rock':14 's':10C 'sad':1A 'simply':4B 'unsorted':15
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-JZFKS-1', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s/british/soul/pop/rock']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637784885.1685917  (2021-11-24 21:14:45)
                             'size'  4439565