======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '294'
                                          'artist'  'Niacin'
                                     'text_people'  'Billy Sheehan/John Novello'
                                         'release'  'Progsoup 22'
                                           'title'  'Outside Inside Out'
                                           '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-4', 'q-other-2', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'fusion', 'jazz', 'progressive rock', 'jazz fusion']"
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '26'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '105.532'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Progsoup 22'
'TBPM' (BPM (beats per minute))                     '105.532'
'TCOM' (Composer)                                   'Billy Sheehan/John Novello'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Outside Inside Out'
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '302994'
'TPE1' (Lead performer(s)/Soloist(s))               'Niacin'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Magna Carta'
'TRCK' (Track number/Position in set)               '26'
'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'                                  'jazz'
'TXXX:lastfmtags'                                   ['instrumental', 'fusion', 'jazz', 'progressive rock', 'jazz fusion']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.05 dB'
'TXXX:replaygain_track_peak'                        '0.502196'

========================== row from database ==========================
                                              'id'  1410322
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 22/1251 Niacin  - Outside Inside Out.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  294
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  9436882
                                           'mtime'  1620736879
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 1251 rock cppex progressive;set pl progspace
                                      'tag_artist'  Niacin
                                     'tag_release'  Progsoup 22
                                       'tag_title'  Outside Inside Out
                                             'bpm'  105.532
                                    'search_title'  'inside':2 'out':3 'outside':1
                                   'search_artist'  'niacin':1
                                  'search_release'  '22':2 'progsoup':1
                                     'search_rest'  '1251':3 'classicprogpsy':1 'cppex':5 'pl':10 'progressive':6,8 'progsoup':2 'progspace':11 'rock':4 'set':7,9
                                    'search_combo'  '1251':9 '22':6C 'classicprogpsy':7 'cppex':11 'inside':2A 'niacin':4B 'out':3A 'outside':1A 'pl':16 'progressive':12,14 'progsoup':5C,8 'progspace':17 'rock':10 'set':13,15
                                    'tag_tracknum'  26
                                      'num_images'  0
                                             'key'  10A
                                           '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-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'fusion', 'jazz', 'progressive rock', 'jazz fusion']
                                        'tag_date'  2001
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620736879.3611572  (2021-05-11 14:41:19)
                             'size'  9436882