======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '458'
                                          'artist'  'Gregor Tresher'
                                     'text_people'  ''
                                         'release'  'Lanig'
                                           'title'  'A Thousand Nights'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', "
 "'q-vocals-1']")
                                      'lastfmtags'  "['minimal techno', 'techno', 'electronic', 'electro', 'minimal']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '127.8'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'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')
'TALB' (Album/Movie/Show title)                     'Lanig'
'TBPM' (BPM (beats per minute))                     '127.8'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TIT2' (Title/songname/content description)         'A Thousand Nights'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gregor Tresher'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['minimal techno', 'techno', 'electronic', 'electro', 'minimal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.84 dB'
'TXXX:replaygain_track_peak'                        '0.526253'

========================== row from database ==========================
                                              'id'  1304591
                                            'path'  /data/Music/Bulk/00poprockelectronic/Lanig/Gregor Tresher  - A Thousand Nights.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  458
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  18353718
                                           'mtime'  1621085264
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic electronic th techno minimal deephouse
                                      'tag_artist'  Gregor Tresher
                                     'tag_release'  Lanig
                                       'tag_title'  A Thousand Nights
                                             'bpm'  127.8
                                    'search_title'  'a':1 'nights':3 'thousand':2
                                   'search_artist'  'gregor':1 'tresher':2
                                  'search_release'  'lanig':1
                                     'search_rest'  '00poprockelectronic':1 'deephouse':6 'electronic':2 'minimal':5 'techno':4 'th':3
                                    'search_combo'  '00poprockelectronic':7 'a':1A 'deephouse':12 'electronic':8 'gregor':4B 'lanig':6C 'minimal':11 'nights':3A 'techno':10 'th':9 'thousand':2A 'tresher':5B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['minimal techno', 'techno', 'electronic', 'electro', 'minimal']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621085263.9067745  (2021-05-15 15:27:43)
                             'size'  18353718