======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '276'
                                          'artist'  'Röyksopp'
                                     'text_people'  ''
                                         'release'  'The Inevitable End'
                                           'title'  'Save Me (Featuring Susanne Sundfør)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-1', 'Q-SYN-3', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-3', "
 "'Q-CHART-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['electronic', 'chillout', 'ambient', 'electronica', 'norwegian']"
                                     'discogstags'  "['synth-pop', 'techno', 'downtempo', 'electronic', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '12'
                                            'date'  '2014'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '98.8'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Inevitable End'
'TBPM' (BPM (beats per minute))                     '98.8'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2014'
'TIT2' (Title/songname/content description)         'Save Me (Featuring Susanne Sundfør)'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Röyksopp'
'TPE2' (Band/orchestra/accompaniment)               'Röyksopp'
'TPOS' (Part of a set)                              '1/2'
'TRCK' (Track number/Position in set)               '5/12'
'TSRC' (ISRC (international standard recording code))  'GBW231400030'
'TXXX:ENCODER'                                      'X Lossless Decoder 20140504'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '4'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['synth-pop', 'techno', 'downtempo', 'electronic', 'pop']
'TXXX:iTunes_CDDB_1'                                'C20E9E0C+298199+12+17547+34555+56045+84574+118725+139494+165639+177099+199770+221887+253340+268328'
'TXXX:lastfmtags'                                   ['electronic', 'chillout', 'ambient', 'electronica', 'norwegian']
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.32 dB'
'TXXX:replaygain_track_peak'                        '0.406143'

========================== row from database ==========================
                                              'id'  1489479
                                            'path'  /data/Music/Bulk/00dwimp/Royskopp - The Inevitable End   14/05. Save Me (Featuring Susanne Sundfør).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  276
                                           'genre'  electronic-unsorted
                                        'filesize'  11081759
                                           'mtime'  1647276990
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp Royskopp 14 05. electronic unsorted
                                      'tag_artist'  Röyksopp
                                     'tag_release'  The Inevitable End
                                       'tag_title'  Save Me (Featuring Susanne Sundfør)
                                             'bpm'  98.8
                                    'search_title'  'featuring':3,4 'me':2 'save':1 'sundfor':8,9 'sundfør':6,7 'susanne':5
                                   'search_artist'  'royksopp':1,2
                                  'search_release'  'end':3 'inevitable':2 'the':1
                                     'search_rest'  '00dwimp':1 '05':3,4 'electronic':5 'royskopp':2 'unsorted':6
                                    'search_combo'  '00dwimp':15 '05':17,18 'electronic':19 'end':14C 'featuring':3A,4A 'inevitable':13C 'me':2A 'royksopp':10B,11B 'royskopp':16 'save':1A 'sundfor':8A,9A 'sundfør':6A,7A 'susanne':5A 'the':12C 'unsorted':20
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HAP-3', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-SYN-3', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-3', 'Q-CHART-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', 'Q-MIXBEAT-2']
                                      'lastfmtags'  ['electronic', 'chillout', 'ambient', 'electronica', 'norwegian']
                                        'tag_date'  2014
                                     'discogstags'  ['synth-pop', 'techno', 'downtempo', 'electronic', 'pop']

============================== file details ==============================
                                           'mtime'  1647276989.9396174  (2022-03-14 17:56:29)
                             'size'  11081759