======================== unified (from filesystem) ========================
                                         'bitrate'  '245.018'
                                        'duration'  '222'
                                          'artist'  'The Charlatans'
                                     'text_people'  ''
                                         'release'  'Misbegotten'
                                           'title'  'Blank Heart, Blank Mind'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'madchester', 'britpop', 'british', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio'
                                             'bpm'  '130.650'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Misbegotten'
'TBPM' (BPM (beats per minute))                     '130.650'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Blank Heart, Blank Mind'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Charlatans'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', 'madchester', 'britpop', 'british', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.76 dB'
'TXXX:replaygain_track_peak'                        '0.318871'

========================== row from database ==========================
                                              'id'  1330721
                                            'path'  /data/Music/Bulk/00poprockelectronic/B-Sides/0118 Charlatans - Blank Heart Blank Mind (B).mp3
                                         'working'  None
                                         'bitrate'  245
                                    'duration_sec'  222
                                           'genre'  electronic-generic or radio
                                        'filesize'  6823264
                                           'mtime'  1630250397
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Sides 0118 (B) electronic generic or radio
                                      'tag_artist'  The Charlatans
                                     'tag_release'  Misbegotten
                                       'tag_title'  Blank Heart, Blank Mind
                                             'bpm'  130.65
                                    'search_title'  'blank':1 'heart':2,3 'mind':4
                                   'search_artist'  'charlatans':2 'the':1
                                  'search_release'  'misbegotten':1
                                     'search_rest'  '00poprockelectronic':1 '0118':3 'b':4,5 'electronic':6 'generic':7 'or':8 'radio':9 'sides':2
                                    'search_combo'  '00poprockelectronic':8 '0118':10 'b':11,12 'blank':1A 'charlatans':6B 'electronic':13 'generic':14 'heart':2A,3A 'mind':4A 'misbegotten':7C 'or':15 'radio':16 'sides':9 'the':5B
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'madchester', 'britpop', 'british', 'rock']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1630250397.4530036  (2021-08-29 17:19:57)
                             'size'  6823264