======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '40'
                                          'artist'  'FM3'
                                     'text_people'  ''
                                         'release'  'Buddha Machine'
                                           'title'  'B2'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-1', 'q-grit-1', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['minimalism', 'drone', 'china', 'minimal', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '9'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'set-pl-buddhamachine'
                                             'bpm'  '120.0'
                                             'key'  '9B'
                                        'acoustid'  'fd35cd33-dc63-4ed2-9fdf-dfc83fe38939'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Buddha Machine'
'TBPM' (BPM (beats per minute))                     '120.0'
'TCMP'                                              '0'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-buddhamachine'
'TDOR' (Original release time)                      '0000'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'B2'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'FM3'
'TPE2' (Band/orchestra/accompaniment)               'FM3'
'TPOS' (Part of a set)                              '0/1'
'TPUB' (Publisher)                                  'Not On Label (FM3 Self-released)'
'TRCK' (Track number/Position in set)               '8/9'
'TXXX:Acoustid Fingerprint'                         'AQABLokiMYkSKYJv_A0h_EXzGM9Ryzh8aE9u5Dg-0cFV1Ebz45-RPMgN5z1uB_-OPmguIX-gK0eYP_hxpA8A90Ie4z8O90dfBnU44juM_viB5EOO90HjHj1xnAeOAsdzJOz2IMePG-lx4PAd4cePH-KDbyng49Cej8hx3MH3oj-aX0SeQEeYB9Wd4zyuwdaCJ0G-B5p1pM-DGzl84PCNv4F8-Ohj9Ef-40gP7XmMHPjs4Cpqozk-I3mC8GjyHqcd4kPzoFcS5A905QjzBz-O9AHgW_gNHX_ho38y1MfhQ_uNXAa-40mD2mjwGHmC5Gjy9KhoBz8e-BryHFceJMuPHzd8HIePPw0-HEbPBj3ywzIP7UaI_PBTAfhxdjh-pMdxI3caGHrg-kF-_MENHzlw-Ib-Rjh8HB8d_PCPQ3viI8CdBl9jFM2PXIEehEeT97gd4h-aB72SIH-gWTnS58ENpA8AXxR-Q8dfNP_wB_WJw4fW50Z-A5-Nq0FtNLhiJH-QH02-9Kjt4EcfNJeC_NCVB2F-_LiRPgB8PA2-Q9fgB_2F-kGO9ND-GLkMfMdjvDGMH3kSJEf1HU23NPhfHH6CXDr0I0x1PA9u-MiBw0_xh5APH_1RK8dx-IfWJw4AhICwihmHFRBNSIEc8RIJBABiQgqCgHGEIiUVEiYAgiwjgnCGACRUYJMqEN4ZqihJSAlDHUXCLGARFQARRDxHBgClJBMKEEoRSQiAzYgxgjisgBUSg66QAA4RKQgCxhGKEAJcWEWIcpgJKZQknxvhHBUSIASMM1RRiQUBqVhogJIAUePEI5hSAwVDjlAlSSJAkIwwEcgsgAQGniskEACISIEAoQghwIVVwBHhMBCECAkSUgYIwJWQgiBgnKEIU6HEIkRZwYAUiiISPAcOAEIRA0opRqiSJCEFNgOGOQwA'
'TXXX:Acoustid Id'                                  'fd35cd33-dc63-4ed2-9fdf-dfc83fe38939'
'TXXX:MusicBrainz Album Artist Id'                  '143217'
'TXXX:MusicBrainz Album Id'                         '583314'
'TXXX:MusicBrainz Album Release Country'            'China'
'TXXX:MusicBrainz Artist Id'                        '143217'
'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'                                  'electronic'
'TXXX:lastfmtags'                                   ['minimalism', 'drone', 'china', 'minimal', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '1'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.82 dB'
'TXXX:replaygain_track_peak'                        '0.617133'
'USLT::\x00\x00\x00'                                ''

========================== row from database ==========================
                                              'id'  940923
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Buddha Machine/FM3BuddhaMachine/Buddha Machine_/08 - B2.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  40
                                           'genre'  set-pl-buddhamachine
                                        'filesize'  5695022
                                           'mtime'  1637785099
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm FM3BuddhaMachine Machine_ 08 set pl buddhamachine
                                      'tag_artist'  FM3
                                     'tag_release'  Buddha Machine
                                       'tag_title'  B2
                                             'bpm'  120.0
                                    'search_title'  'b2':1
                                   'search_artist'  'fm3':1
                                  'search_release'  'buddha':1 'machine':2
                                     'search_rest'  'buddhamachine':5 'fm3buddha':6 'fm3buddhamachine':1 'machine':2,7 'pl':4 'set':3
                                    'search_combo'  'b2':1A 'buddha':3C 'buddhamachine':9 'fm3':2B 'fm3buddha':10 'fm3buddhamachine':5 'machine':4C,6,11 'pl':8 'set':7
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-1', 'q-drums-1', 'q-syn-3', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['minimalism', 'drone', 'china', 'minimal', 'ambient']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1637785099.3984184  (2021-11-24 21:18:19)
                             'size'  5695022