======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '234'
                                          'artist'  'Pet Shop Boys'
                                     'text_people'  ''
                                         'release'  'Alternative'
                                           'title'  'Don Juan'
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'new wave', 'electronic', 'pop', 'synthpop']"
                                     'discogstags'  "['electronic', 'pop', 'synth-pop', 'dance-pop', 'electro', 'house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '15'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '122'
                                             'key'  '8B'
                                        'acoustid'  '1c23497c-41c0-49cb-831e-76738abcd9e2'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Alternative'
'TBPM' (BPM (beats per minute))                     '122'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDOR' (Original release time)                      '1995'
'TDRC' (Recording time)                             '1995-08-03'
'TIT2' (Title/songname/content description)         'Don Juan'
'TKEY' (Initial key)                                '8B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Pet Shop Boys'
'TPE2' (Band/orchestra/accompaniment)               'Pet Shop Boys'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Parlophone/EMI Music Germany GmbH & Co. KG'
'TRCK' (Track number/Position in set)               '12/15'
'TSO2'                                              'Pet Shop Boys'
'TSOP' (Performer sort order)                       'Pet Shop Boys'
'TXXX:ASIN'                                         'B000008PKR'
'TXXX:Acoustid Id'                                  '1c23497c-41c0-49cb-831e-76738abcd9e2'
'TXXX:Artists'                                      'Pet Shop Boys'
'TXXX:BARCODE'                                      '724383435326'
'TXXX:CATALOGNUMBER'                                '724383435326/8343532/CDPCSDS 166'
'TXXX:MusicBrainz Album Artist Id'                  'be540c02-7898-4b79-9acc-c8122c7d9e83'
'TXXX:MusicBrainz Album Id'                         '8ceabc55-9cc4-3232-aa66-974924f388e2'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        'be540c02-7898-4b79-9acc-c8122c7d9e83'
'TXXX:MusicBrainz Release Group Id'                 '0410f1f2-27c3-3e4b-a041-53e147645818'
'TXXX:MusicBrainz Release Track Id'                 'aa56d3ef-5075-312e-9c0e-8cf3b194669a'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'pop', 'synth-pop', 'dance-pop', 'electro', 'house']
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'electronic', 'pop', 'synthpop']
'TXXX:originalyear'                                 '1995'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.31 dB'
'TXXX:replaygain_track_peak'                        '0.433641'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'93a22426-795e-48d0-9cc2-91c57bbf617c')

========================== row from database ==========================
                                              'id'  1418298
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/Pet Shop Boys/Alternative/Alternative1/12 Don Juan.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  234
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  9410923
                                           'mtime'  1620609820
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco italo Alternative1 12 electronic we disco or italo
                                      'tag_artist'  Pet Shop Boys
                                     'tag_release'  Alternative
                                       'tag_title'  Don Juan
                                             'bpm'  122.0
                                    'search_title'  'don':1 'juan':2
                                   'search_artist'  'boys':3 'pet':1 'shop':2
                                  'search_release'  'alternative':1
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 'alternative1':6 'disco':3 'electronic':7 'italo':5 'or':9 'waves':2 'we':8
                                    'search_combo'  '00disco':10 '00poprockelectronic':7 'alternative':6C 'alternative1':12 'boys':5B 'disco':9 'don':1A 'electronic':13 'italo':11 'juan':2A 'or':15 'pet':3B 'shop':4B 'waves':8 'we':14
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-4', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'electronic', 'pop', 'synthpop']
                                        'tag_date'  1995
                                     'discogstags'  ['electronic', 'pop', 'synth-pop', 'dance-pop', 'electro', 'house']

============================== file details ==============================
                                           'mtime'  1620609820.0998905  (2021-05-10 03:23:40)
                             'size'  9410923