======================== unified (from filesystem) ========================
                                         'bitrate'  '223.32'
                                        'duration'  '742'
                                          'artist'  'Beatriz Ferreyra'
                                     'text_people'  ''
                                         'release'  'La Rivière des Oiseaux'
                                           'title'  'Rio De Los Pájaros'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['earwaves', 'acousmatique', 'electronic', 'argentinian', 'musique concrete']"
                                     'discogstags'  "['musique concrète', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-minimal'
                                             'bpm'  '142.7'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'La Rivière des Oiseaux'
'TBPM' (BPM (beats per minute))                     '142.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-minimal'
'TDRC' (Recording time)                             '2003'
'TENC' (Encoded by)                                 'dBpoweramp Release 14'
'TIT2' (Title/songname/content description)         'Rio De Los Pájaros'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD (Lossless) >> Perfect (Lossless) [flac]'
'TPE1' (Lead performer(s)/Soloist(s))               'Beatriz Ferreyra'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '01'
'TSSE' (Software/Hardware and settings used for encoding)  '-V="0"'
'TXXX:AccurateRipDiscID'                            '007-00152ae2-007e0a36-6011cf07-1'
'TXXX:AccurateRipResult'                            'AccurateRip: Not in database   [77754530]'
'TXXX:Encoder'                                      'Lame 3.98.4'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['musique concrète', 'electronic']
'TXXX:lastfmtags'                                   ['earwaves', 'acousmatique', 'electronic', 'argentinian', 'musique concrete']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.47 dB'
'TXXX:replaygain_track_peak'                        '0.736970'

========================== row from database ==========================
                                              'id'  1120532
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/0experimental-electronic/La Rivière Des Oiseaux/01 - Rio De Los Pájaros.mp3
                                         'working'  None
                                         'bitrate'  223
                                    'duration_sec'  742
                                           'genre'  electronic-experimental-minimal
                                        'filesize'  20879357
                                           'mtime'  1637329281
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 0experimental electronic Des 01 electronic experimental minimal
                                      'tag_artist'  Beatriz Ferreyra
                                     'tag_release'  La Rivière des Oiseaux
                                       'tag_title'  Rio De Los Pájaros
                                             'bpm'  142.7
                                    'search_title'  'de':2 'los':3 'pajaros':4,5 'rio':1
                                   'search_artist'  'beatriz':1 'ferreyra':2
                                  'search_release'  'des':4 'la':1 'oiseaux':5 'riviere':2,3
                                     'search_rest'  '0experimental':1 'des':3 'electronic':2 'experimental':4 'minimal':5
                                    'search_combo'  '0experimental':13 'beatriz':6B 'de':2A 'des':11C,15 'electronic':14 'experimental':16 'ferreyra':7B 'la':8C 'los':3A 'minimal':17 'oiseaux':12C 'pajaros':4A,5A 'rio':1A 'riviere':9C,10C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['earwaves', 'acousmatique', 'electronic', 'argentinian', 'musique concrete']
                                        'tag_date'  2003
                                     'discogstags'  ['musique concrète', 'electronic']

============================== file details ==============================
                                           'mtime'  1637329280.89937  (2021-11-19 14:41:20)
                             'size'  20879357