======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '278'
                                          'artist'  'Blockhead'
                                     'text_people'  'Blockhead/Damian Purro'
                                         'release'  '[non-album tracks]'
                                           'title'  'Tricky Turtle'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['downtempo', 'trip hop', 'ninja tune', 'electronic', 'hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '12'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '125.3'
                                             'key'  '5A'
                                        'acoustid'  'coustid Id'
rest: ''

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

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'PRIV:WM/WMCollectionID:\x18;!F±\x88,@£C<æ\x19ºO\x0b'  PRIV(owner='WM/WMCollectionID', data=b'\x18;!F\xb1\x88,@\xa3C<\xe6\x19\xbaO\x0b')
'PRIV:WM/WMContentID:9À³ñ§\x86gO\x95ï»5¹\x1eKú'     PRIV(owner='WM/WMContentID', data=b'9\xc0\xb3\xf1\xa7\x86gO\x95\xef\xbb5\xb9\x1eK\xfa')
'TALB' (Album/Movie/Show title)                     '[non-album tracks]'
'TBPM' (BPM (beats per minute))                     '125.3'
'TCOM' (Composer)                                   'Blockhead/Damian Purro'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDOR' (Original release time)                      '2009'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Tricky Turtle'
'TKEY' (Initial key)                                '5A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Blockhead'
'TPE2' (Band/orchestra/accompaniment)               'Blockhead'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Ninja Tune'
'TRCK' (Track number/Position in set)               '8/12'
'TSO2'                                              'Blockhead'
'TSOP' (Performer sort order)                       'Blockhead'
'TXXX:Acoustid Id'                                  'coustid Id'
'TXXX:Artists'                                      'rtists//'
'TXXX:CATALOGNUMBER'                                'ATALOGNUM'
'TXXX:MusicBrainz Album Artist Id'                  'usicBrainz Album Artist Id/////////'
'TXXX:MusicBrainz Album Id'                         'usicBrainz Album Id////////////////'
'TXXX:MusicBrainz Album Release Country'            'us'
'TXXX:MusicBrainz Album Status'                     'usicBrai'
'TXXX:MusicBrainz Album Type'                       'usicB'
'TXXX:MusicBrainz Artist Id'                        '3bd76ebe-c7dc-47bd-a8af-9e46d2a4f782'
'TXXX:MusicBrainz Release Group Id'                 'usicBrainz Release Group Id////////'
'TXXX:MusicBrainz Release Track Id'                 'usicBrainz Release Track Id////////'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'CRIP'
'TXXX:lastfmtags'                                   ['downtempo', 'trip hop', 'ninja tune', 'electronic', 'hip hop']
'TXXX:originalyear'                                 'rigi'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.29 dB'
'TXXX:replaygain_track_peak'                        '0.606845'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'adb758a6-3733-4d56-8360-fa80eb271ac6')

========================== row from database ==========================
                                              'id'  1371128
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Blockhead 2009.09 - The Music Scene  [320kbps]/08 Tricky Turtle.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  278
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  11147427
                                           'mtime'  1636910328
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip 2009.09 The Music Scene [320kbps] 08 electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Blockhead
                                     'tag_release'  [non-album tracks]
                                       'tag_title'  Tricky Turtle
                                             'bpm'  125.3
                                    'search_title'  'tricky':1 'turtle':2
                                   'search_artist'  'blockhead':1
                                  'search_release'  'album':2 'non':1 'nonalbum':3 'tracks':4,5
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 '09':4 '2009':3 '200909':5 '320kbps':9,10 'acid':16 'downtempo':15 'electronic':11 'hop':13 'jazz':17 'music':7 'or':14 'scene':8 'the':6 'trip':12
                                    'search_combo'  '00poprockelectronic':9 '00trip':10 '09':12 '2009':11 '200909':13 '320kbps':17,18 'acid':24 'album':5C 'blockhead':3B 'downtempo':23 'electronic':19 'hop':21 'jazz':25 'music':15 'non':4C 'nonalbum':6C 'or':22 'scene':16 'the':14 'tracks':7C,8C 'tricky':1A 'trip':20 'turtle':2A
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', '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-3', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['downtempo', 'trip hop', 'ninja tune', 'electronic', 'hip hop']
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636910327.589792  (2021-11-14 18:18:47)
                             'size'  11147427