======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '382'
                                          'artist'  'Russ Ballard'
                                     'text_people'  'Russ Ballard'
                                         'release'  'Progsoup 27'
                                           'title'  "I'm A Scorpio"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock', '80s', 'classic rock', 'hard rock', 'aor']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '21'
                                      'tracktotal'  ''
                                            'date'  '1978'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '107.836'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
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'PRIV:WM/WMCollectionID:Çlá¼æ\x88"F\x9cÎG\x12|ã\x87\x82'  PRIV(owner='WM/WMCollectionID', data=b'\xc7l\xe1\xbc\xe6\x88"F\x9c\xceG\x12|\xe3\x87\x82')
'PRIV:WM/WMContentID:\x8cM$\\kwoA\x95\x92ëbqîzP'    PRIV(owner='WM/WMContentID', data=b'\x8cM$\\kwoA\x95\x92\xebbq\xeezP')
'TALB' (Album/Movie/Show title)                     'Progsoup 27'
'TBPM' (BPM (beats per minute))                     '107.836'
'TCOM' (Composer)                                   'Russ Ballard'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '1978'
'TIT2' (Title/songname/content description)         "I'm A Scorpio"
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Russ Ballard'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Renaissance'
'TRCK' (Track number/Position in set)               '21'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['rock', '80s', 'classic rock', 'hard rock', 'aor']
'TXXX:q-bass'                                       '3'
'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-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.16 dB'
'TXXX:replaygain_track_peak'                        '0.812917'

========================== row from database ==========================
                                              'id'  1505671
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 27/1524 russ ballard - I_m A Scorpio.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  382
                                           'genre'  rock-cppex-progressive
                                        'filesize'  6117055
                                           'mtime'  1620737017
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 1524 russ ballard I_m rock cppex progressive
                                      'tag_artist'  Russ Ballard
                                     'tag_release'  Progsoup 27
                                       'tag_title'  I'm A Scorpio
                                             'bpm'  107.836
                                    'search_title'  'a':4 'i':1 'im':3 'm':2 'scorpio':5
                                   'search_artist'  'ballard':2 'russ':1
                                  'search_release'  '27':2 'progsoup':1
                                     'search_rest'  '1524':3 'ballard':5 'classicprogpsy':1 'cppex':9 'i':6 'm':7 'progressive':10 'progsoup':2 'rock':8 'russ':4
                                    'search_combo'  '1524':12 '27':9C 'a':4A 'ballard':7B,14 'classicprogpsy':10 'cppex':18 'i':1A,15 'im':3A 'm':2A,16 'progressive':19 'progsoup':8C,11 'rock':17 'russ':6B,13 'scorpio':5A
                                    'tag_tracknum'  21
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', '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-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rock', '80s', 'classic rock', 'hard rock', 'aor']
                                        'tag_date'  1978
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620737017.2805378  (2021-05-11 14:43:37)
                             'size'  6117055