======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '297'
                                          'artist'  'The Darkening Scale'
                                     'text_people'  'David Janssen'
                                         'release'  'The Songs Of Langtuhn Hemblu'
                                           'title'  'Shaker Loops'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['dark ambient', 'avant garde', 'ambiant', 'electronic', 'experimental']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '95.169'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:{\x19\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x19\x00\x00')
'PRIV:PeakValue:¡~\x00\x00'                         PRIV(owner='PeakValue', data=b'\xa1~\x00\x00')
'TALB' (Album/Movie/Show title)                     'The Songs Of Langtuhn Hemblu'
'TBPM' (BPM (beats per minute))                     '95.169'
'TCOM' (Composer)                                   'David Janssen'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Shaker Loops'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Darkening Scale'
'TRCK' (Track number/Position in set)               '01'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['dark ambient', 'avant garde', 'ambiant', 'electronic', 'experimental']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.09 dB'
'TXXX:replaygain_track_peak'                        '0.425606'

========================== row from database ==========================
                                              'id'  1383522
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/darkening scale - the songs of langtuhn hemblu 2008/01 shaker loops.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  297
                                           'genre'  electronic
                                        'filesize'  12109761
                                           'mtime'  1636913567
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer darkening scale the songs of langtuhn hemblu 2008 01 shaker loops electronic
                                      'tag_artist'  The Darkening Scale
                                     'tag_release'  The Songs Of Langtuhn Hemblu
                                       'tag_title'  Shaker Loops
                                             'bpm'  95.169
                                    'search_title'  'loops':2 'shaker':1
                                   'search_artist'  'darkening':2 'scale':3 'the':1
                                  'search_release'  'hemblu':5 'langtuhn':4 'of':3 'songs':2 'the':1
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 '2008':10 'darkening':3 'electronic':13 'hemblu':9 'langtuhn':8 'loops':12 'of':7 'scale':4 'shaker':11 'songs':6 'the':5
                                    'search_combo'  '00calmer':12 '00poprockelectronic':11 '2008':20 'darkening':4B,13 'electronic':23 'hemblu':10C,19 'langtuhn':9C,18 'loops':2A,22 'of':8C,17 'scale':5B,14 'shaker':1A,21 'songs':7C,16 'the':3B,6C,15
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-3', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['dark ambient', 'avant garde', 'ambiant', 'electronic', 'experimental']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636913567.1407666  (2021-11-14 19:12:47)
                             'size'  12109761