======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '312'
                                          'artist'  'Massive Attack'
                                     'text_people'  ''
                                         'release'  'Blue Lines'
                                           'title'  'Unfinished Sympathy'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-4', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'electronic', 'downtempo', 'trip hop', 'chillout']"
                                     'discogstags'  "['electronic', 'trip hop', 'dub', 'downtempo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '1991'
                                        'comments'  ''
                                           'genre'  ('electronic-generic or radio-unsorted;electronic-trip hop or downtempo or '
 'acid jazz')
                                             'bpm'  '114.414'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Blue Lines'
'TBPM' (BPM (beats per minute))                     '114.414'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted',
 'electronic-trip hop or downtempo or acid jazz']
'TDRC' (Recording time)                             '1991'
'TIT2' (Title/songname/content description)         'Unfinished Sympathy'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Massive Attack'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'trip hop', 'dub', 'downtempo']
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'downtempo', 'trip hop', 'chillout']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.10 dB'
'TXXX:replaygain_track_peak'                        '0.714549'

========================== row from database ==========================
                                              'id'  1340833
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Best of 70 80 & 90s - 211 Hits (6CDS)/Massive Attack - Unfinished Sympathy.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  312
                                           'genre'  electronic-generic or radio-unsorted;electronic-trip hop or downtempo or acid jazz
                                        'filesize'  4996450
                                           'mtime'  1636911422
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic The Best of 70 80 & 90s 211 Hits (6CDS) electronic generic or radio unsorted;electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Massive Attack
                                     'tag_release'  Blue Lines
                                       'tag_title'  Unfinished Sympathy
                                             'bpm'  114.414
                                    'search_title'  'sympathy':2 'unfinished':1
                                   'search_artist'  'attack':2 'massive':1
                                  'search_release'  'blue':1 'lines':2
                                     'search_rest'  '00poprockelectronic':1 '211':8 '6cds':10,11 '70':5 '80':6 '90s':7 'acid':23 'best':3 'downtempo':22 'electronic':12,17,19 'generic':13 'hits':9 'hop':21 'jazz':24 'of':4 'or':14 'radio':15 'the':2 'trip':20 'unsorted':16,18
                                    'search_combo'  '00poprockelectronic':7 '211':14 '6cds':16,17 '70':11 '80':12 '90s':13 'acid':29 'attack':4B 'best':9 'blue':5C 'downtempo':28 'electronic':18,23,25 'generic':19 'hits':15 'hop':27 'jazz':30 'lines':6C 'massive':3B 'of':10 'or':20 'radio':21 'sympathy':2A 'the':8 'trip':26 'unfinished':1A 'unsorted':22,24
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electronic', 'downtempo', 'trip hop', 'chillout']
                                        'tag_date'  1991
                                     'discogstags'  ['electronic', 'trip hop', 'dub', 'downtempo']

============================== file details ==============================
                                           'mtime'  1636911421.7664201  (2021-11-14 18:37:01)
                             'size'  4996450