======================== unified (from filesystem) ========================
                                         'bitrate'  '191.985'
                                        'duration'  '339'
                                          'artist'  'Sven Väth & Richie Hawtin'
                                     'text_people'  ''
                                         'release'  'The Sound of the Third Season'
                                           'title'  'Disco Rout'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'q-syn-2', "
 "'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', "
 "'q-other-2', 'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-3']")
                                      'lastfmtags'  "['techno']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  '21'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '137.946'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=196, count=0)
'TALB' (Album/Movie/Show title)                     'The Sound of the Third Season'
'TBPM' (BPM (beats per minute))                     '137.946'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2002-10-28'
'TIT2' (Title/songname/content description)         'Disco Rout'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Legowelt'
'TPE2' (Band/orchestra/accompaniment)               'Sven Väth & Richie Hawtin'
'TPUB' (Publisher)                                  'Cocoon Recordings'
'TRCK' (Track number/Position in set)               '15/21'
'TSOP' (Performer sort order)                       'Legowelt'
'TSRC' (ISRC (international standard recording code))  'GBAJH0200417'
'TXXX:ALBUMARTISTSORT'                              'Sven Väth & Richie Hawtin'
'TXXX:ASIN'                                         'B0000793V3'
'TXXX:CATALOGNUMBER'                                'COR MIX 004'
'TXXX:MusicBrainz Album Artist Id'                  '14008378-5900-4370-831e-3d17f9749caf'
'TXXX:MusicBrainz Album Id'                         '4b1a7836-6b77-4f87-a6d3-b66d6480d31c'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '764eb299-d4a6-4a9d-af8b-d0dcf7b3d3ca'
'TXXX:MusicIP PUID'                                 'd30c0b4d-c4f8-3764-6d5a-6778d28d2fc0'
'TXXX:MusicMagic Data'                              'AQEAMpaPgfGeypLUgLcpCFi4lQCC2IVsz12WZ2+yrG8NaYABheTSDq5xqQWEH0FLgPKAATalgdhcMR7vgtDfaPie5NC3jRs7hA2AAQ=='
'TXXX:MusicMagic Fingerprint'                       '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'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:added_timestamp'                              '128930990202923527'
'TXXX:lastfmtags'                                   'techno'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.11 dB'
'TXXX:replaygain_track_peak'                        '0.324932'

========================== row from database ==========================
                                              'id'  1303130
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Sven Väth !26 Richie Hawtin - Legowelt.mp3
                                         'working'  None
                                         'bitrate'  191
                                    'duration_sec'  339
                                           'genre'  electronic-unsorted
                                        'filesize'  8157030
                                           'mtime'  1620573006
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] !26 Legowelt electronic unsorted
                                      'tag_artist'  Sven Väth & Richie Hawtin
                                     'tag_release'  The Sound of the Third Season
                                       'tag_title'  Disco Rout
                                             'bpm'  137.946
                                    'search_title'  'disco':1 'rout':2
                                   'search_artist'  'hawtin':5 'richie':4 'sven':1 'vath':2,3
                                  'search_release'  'of':3 'season':5 'sound':2 'the':1 'third':4
                                     'search_rest'  '00poprockelectronic':1 '26':7 'electronic':9 'files':5,6 'legowelt':8 'loose':3,4 'unsorted':2
                                    'search_combo'  '00poprockelectronic':13 '26':19 'disco':1A 'electronic':21 'files':17,18 'hawtin':7B 'legowelt':20 'loose':15,16 'of':10C 'richie':6B 'rout':2A 'season':12C 'sound':9C 'sven':3B 'the':8C 'third':11C 'unsorted':14 'vath':4B,5B
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  9A
                                           '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-2', 'q-chart-2', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['techno']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620573005.9293075  (2021-05-09 17:10:05)
                             'size'  8157030