======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '650'
                                          'artist'  'Liquid Tension Experiment'
                                     'text_people'  'Liquid Tension Experiment'
                                         'release'  'Progsoup 24'
                                           'title'  'Liquid Dreams'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'Q-PLAY-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-3', 'q-other-3', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['instrumental', 'metal', 'progressive rock', 'progressive metal', "
 "'progressive']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '38'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '92.985'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            '8+3C042BE657D035E17C2D1B32C1'
'COMM:iTunes_CDDB_IDs:eng'                          '8+3C042BE657D035E17C2D1B32C152ADE3+1762736'
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'PRIV:WM/WMCollectionID:\x8aÎ1(µq\x11Eº¸E3Au¸p'     PRIV(owner='WM/WMCollectionID', data=b'\x8a\xce1(\xb5q\x11E\xba\xb8E3Au\xb8p')
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'TALB' (Album/Movie/Show title)                     'Progsoup 24'
'TBPM' (BPM (beats per minute))                     '92.985'
'TCOM' (Composer)                                   'Liquid Tension Experiment'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '1999'
'TENC' (Encoded by)                                 'iTunes v6.0.1.3'
'TIT2' (Title/songname/content description)         'Liquid Dreams'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Liquid Tension Experiment'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Magna Carta'
'TRCK' (Track number/Position in set)               '38'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['instrumental',
 'metal',
 'progressive rock',
 'progressive metal',
 'progressive']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.81 dB'
'TXXX:replaygain_track_peak'                        '0.553782'

========================== row from database ==========================
                                              'id'  1414860
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 24/1369 liquid tension - Liquid Dreams.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  650
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  10434079
                                           'mtime'  1620736944
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 1369 liquid tension rock cppex progressive;set pl progspace
                                      'tag_artist'  Liquid Tension Experiment
                                     'tag_release'  Progsoup 24
                                       'tag_title'  Liquid Dreams
                                             'bpm'  92.985
                                    'search_title'  'dreams':2 'liquid':1
                                   'search_artist'  'experiment':3 'liquid':1 'tension':2
                                  'search_release'  '24':2 'progsoup':1
                                     'search_rest'  '1369':3 'classicprogpsy':1 'cppex':7 'liquid':4 'pl':12 'progressive':8,10 'progsoup':2 'progspace':13 'rock':6 'set':9,11 'tension':5
                                    'search_combo'  '1369':10 '24':7C 'classicprogpsy':8 'cppex':14 'dreams':2A 'experiment':5B 'liquid':1A,3B,11 'pl':19 'progressive':15,17 'progsoup':6C,9 'progspace':20 'rock':13 'set':16,18 'tension':4B,12
                                    'tag_tracknum'  38
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'metal', 'progressive rock', 'progressive metal', 'progressive']
                                        'tag_date'  1999
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620736944.487004  (2021-05-11 14:42:24)
                             'size'  10434079