======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '289'
                                          'artist'  'Massive Attack'
                                     'text_people'  ''
                                         'release'  'New Pure Moods (disc 2)'
                                           'title'  'Protection (feat. Tracy Thorn)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-3', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'electronic', 'downtempo', 'trip hop', 'chillout']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-unsorted;electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '84.000'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'New Pure Moods (disc 2)'
'TBPM' (BPM (beats per minute))                     '84.000'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted', 'electronic-trip hop or downtempo or acid jazz']
'TIT2' (Title/songname/content description)         'Protection (feat. Tracy Thorn)'
'TKEY' (Initial key)                                '1B'
'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:lastfmtags'                                   ['electronica', 'electronic', 'downtempo', 'trip hop', 'chillout']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.06 dB'
'TXXX:replaygain_track_peak'                        '0.600329'

========================== row from database ==========================
                                              'id'  180306
                                            'path'  /data/Music/Bulk/00instruments-classical/Unsorted/MBZ;#Massive Attack;#New Pure Moods (disc 2);#06;#Protection (feat. Tracy Thorn).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  289
                                           'genre'  electronic-unsorted;electronic-trip hop or downtempo or acid jazz
                                        'filesize'  6957075
                                           'mtime'  1636910127
                                   'redo_metaread'  0
                                        'rest_str'   00instruments classical Unsorted MBZ;#Massive Attack;#New 2);#06;#Protection electronic unsorted;electronic trip hop downtempo acid jazz
                                      'tag_artist'  Massive Attack
                                     'tag_release'  New Pure Moods (disc 2)
                                       'tag_title'  Protection (feat. Tracy Thorn)
                                             'bpm'  84.0
                                    'search_title'  'feat':2,3 'protection':1 'thorn':5,6 'tracy':4
                                   'search_artist'  'attack':2 'massive':1
                                  'search_release'  '2':6,7 'disc':4,5 'moods':3 'new':1 'pure':2
                                     'search_rest'  '00instruments':1 '06':13,16 '2':12,15 'acid':26 'attack':8,10 'classical':2 'downtempo':25 'electronic':18,20,22 'hop':24 'jazz':27 'massive':5,7 'mbz':4,6 'new':9,11 'protection':14,17 'trip':23 'unsorted':3,19,21
                                    'search_combo'  '00instruments':16 '06':28,31 '2':14C,15C,27,30 'acid':41 'attack':8B,23,25 'classical':17 'disc':12C,13C 'downtempo':40 'electronic':33,35,37 'feat':2A,3A 'hop':39 'jazz':42 'massive':7B,20,22 'mbz':19,21 'moods':11C 'new':9C,24,26 'protection':1A,29,32 'pure':10C 'thorn':5A,6A 'tracy':4A 'trip':38 'unsorted':18,34,36
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-1', 'q-chart-3', 'q-other-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electronic', 'downtempo', 'trip hop', 'chillout']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636910127.0160239  (2021-11-14 18:15:27)
                             'size'  6957075