======================== unified (from filesystem) ========================
                                         'bitrate'  '191.981'
                                        'duration'  '257'
                                          'artist'  'Paul Kalkbrenner'
                                     'text_people'  ''
                                         'release'  'Self'
                                           'title'  'Marbles'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-4', 'q-bass-2', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', "
 "'q-vocals-1']")
                                      'lastfmtags'  "['chill', 'electronic', 'chillout', 'minimal', 'ambient']"
                                     'discogstags'  "['electronic', 'techno', 'minimal', 'tech house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '106.700'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Self'
'TBPM' (BPM (beats per minute))                     '106.700'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Marbles'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Paul Kalkbrenner'
'TRCK' (Track number/Position in set)               '7'
'TXXX:MusicMagic Data'                              'AgEAd0iyknyjuKVYgZjSVE7lcPqCP4AC0WSOHzKkptDvk4ABgAHNza5spObcbaVIgy6AAcy5p4Pa0/7/gAHaH/U/Bu+oN7hilWadlpLZrnqeNYzx4YoijOIPhm2AyueWkf9KjbVkzo2P94AB4QOsj7DV2JeOBINDgAHIadV/7Qn9r4AB4Bb7zBB6j+K5brlGhKY='
'TXXX:MusicMagic Fingerprint'                       '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'
'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:added_timestamp'                              '128930990202923527'
'TXXX:discogstags'                                  ['electronic', 'techno', 'minimal', 'tech house']
'TXXX:lastfmtags'                                   ['chill', 'electronic', 'chillout', 'minimal', 'ambient']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.18 dB'
'TXXX:replaygain_track_peak'                        '0.594589'

========================== row from database ==========================
                                              'id'  1491318
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00dutch/Paul Kalkbrenner - 07 - Marbles.mp3
                                         'working'  None
                                         'bitrate'  191
                                    'duration_sec'  257
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  6183081
                                           'mtime'  1621085106
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00dutch 07 electronic th techno minimal or deephouse
                                      'tag_artist'  Paul Kalkbrenner
                                     'tag_release'  Self
                                       'tag_title'  Marbles
                                             'bpm'  106.7
                                    'search_title'  'marbles':1
                                   'search_artist'  'kalkbrenner':2 'paul':1
                                  'search_release'  'self':1
                                     'search_rest'  '00dutch':4 '00mid':1 'deephouse':10 'electronic':5 'europe':3 'minimal':8 'north':2 'or':9 'techno':7 'th':6
                                    'search_combo'  '00dutch':8 '00mid':5 'deephouse':14 'electronic':9 'europe':7 'kalkbrenner':3B 'marbles':1A 'minimal':12 'north':6 'or':13 'paul':2B 'self':4C 'techno':11 'th':10
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['chill', 'electronic', 'chillout', 'minimal', 'ambient']
                                        'tag_date'  2004
                                     'discogstags'  ['electronic', 'techno', 'minimal', 'tech house']

============================== file details ==============================
                                           'mtime'  1621085105.8881264  (2021-05-15 15:25:05)
                             'size'  6183081