======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '160'
                                          'artist'  'Lou Monte'
                                     'text_people'  'Pablo Citorello'
                                         'release'  "Nipper's Greatest Hits: The 50's, Vol. 1"
                                           'title'  'Lazy Mary (Luna Mezzo Mare)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-2', 'q-chart-1', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['male vocalists', 'all', 'crooner', 'novelty', 'italian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '1958'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '122.141'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '58-112 POS 12'
'COMM:ID3v1 Comment:XXX'                            '58-112 POS 12'
'MCDI' (Music CD identifier)                        MCDI(data=b'1\x004\x00+\x009\x006\x00+\x002\x00E\x00B\x008\x00+\x006\x00C\x00C\x00A\x00+\x00A\x001\x00F\x006\x00+\x00D\x006\x00B\x00F\x00+\x001\x000\x00C\x00E\x00D\x00+\x001\x003\x009\x00D\x009\x00+\x001\x005\x00D\x008\x00A\x00+\x001\x009\x001\x009\x005\x00+\x001\x00B\x007\x006\x000\x00+\x001\x00E\x00D\x00A\x009\x00+\x002\x001\x00C\x003\x00C\x00+\x002\x004\x007\x00E\x003\x00+\x002\x007\x007\x000\x00E\x00+\x002\x00A\x003\x004\x00B\x00+\x002\x00C\x00F\x00D\x003\x00+\x003\x000\x002\x00C\x00D\x00+\x003\x002\x005\x001\x004\x00+\x003\x005\x007\x00C\x003\x00+\x003\x007\x00F\x00E\x006\x00+\x003\x00A\x008\x00E\x007\x00\x00\x00')
'PRIV:AverageLevel:\x9e\x12\x00\x00'                PRIV(owner='AverageLevel', data=b'\x9e\x12\x00\x00')
'PRIV:PeakValue:¦c\x00\x00'                         PRIV(owner='PeakValue', data=b'\xa6c\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
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'PRIV:WM/WMCollectionID:©¥g\x98\x19ë=H\x8e%Î\x15\x91ØE\x85'  PRIV(owner='WM/WMCollectionID', data=b'\xa9\xa5g\x98\x19\xeb=H\x8e%\xce\x15\x91\xd8E\x85')
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'TALB' (Album/Movie/Show title)                     "Nipper's Greatest Hits: The 50's, Vol. 1"
'TBPM' (BPM (beats per minute))                     '122.141'
'TCOM' (Composer)                                   'Pablo Citorello'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1958'
'TIT2' (Title/songname/content description)         'Lazy Mary (Luna Mezzo Mare)'
'TKEY' (Initial key)                                '6B'
'TLEN' (Length)                                     '161000'
'TPE1' (Lead performer(s)/Soloist(s))               'Lou Monte'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'RCA'
'TRCK' (Track number/Position in set)               '13'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['male vocalists', 'all', 'crooner', 'novelty', 'italian']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.86 dB'
'TXXX:replaygain_track_peak'                        '0.484475'

========================== row from database ==========================
                                              'id'  1433729
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1958/58-112 - Lou Monte - Lazy Mary (Luna Mezzo Mare).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  160
                                           'genre'  prerock-unsorted
                                        'filesize'  6434688
                                           'mtime'  1620387739
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1958 58 112 prerock unsorted
                                      'tag_artist'  Lou Monte
                                     'tag_release'  Nipper's Greatest Hits: The 50's, Vol. 1
                                       'tag_title'  Lazy Mary (Luna Mezzo Mare)
                                             'bpm'  122.141
                                    'search_title'  'lazy':1 'luna':3,4 'mare':6,7 'mary':2 'mezzo':5
                                   'search_artist'  'lou':1 'monte':2
                                  'search_release'  '1':13 '50':8 '50s':10 'greatest':4 'hits':5,6 'nipper':1 'nippers':3 's':2,9 'the':7 'vol':11,12
                                     'search_rest'  '00oldiepop':5 '112':8 '1958':6 '58':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'unsorted':10
                                    'search_combo'  '00oldiepop':27 '1':22C '112':30 '1958':28 '50':17C '50s':19C '58':29 'country':26 'exotica':24 'greatest':13C 'hits':14C,15C 'jazz':23 'lazy':1A 'lou':8B 'luna':3A,4A 'mare':6A,7A 'mary':2A 'mezzo':5A 'monte':9B 'nipper':10C 'nippers':12C 'oldies':25 'prerock':31 's':11C,18C 'the':16C 'unsorted':32 'vol':20C,21C
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-1', 'q-chart-1', 'q-other-2', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['male vocalists', 'all', 'crooner', 'novelty', 'italian']
                                        'tag_date'  1958
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620387738.8581345  (2021-05-07 13:42:18)
                             'size'  6434688