======================== unified (from filesystem) ========================
                                         'bitrate'  '226.614'
                                        'duration'  '314'
                                          'artist'  'Shigeto'
                                     'text_people'  ''
                                         'release'  'No Better Time Than Now'
                                           'title'  'Perfect Crime'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-2', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['glitch', 'glitch hop', 'idm', 'electronic', 'ambient']"
                                     'discogstags'  "['idm', 'future jazz', 'experimental', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '12'
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '121.4'
                                             'key'  '5A'
                                        'acoustid'  '19c8a20d-cea8-479e-a843-3ac28dd79c5c'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'No Better Time Than Now'
'TBPM' (BPM (beats per minute))                     '121.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDOR' (Original release time)                      '2013'
'TDRC' (Recording time)                             '2013-08-20'
'TIT2' (Title/songname/content description)         'Perfect Crime'
'TKEY' (Initial key)                                '5A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Shigeto'
'TPE2' (Band/orchestra/accompaniment)               'Shigeto'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Ghostly International'
'TRCK' (Track number/Position in set)               '4/12'
'TSO2'                                              'Shigeto'
'TSOP' (Performer sort order)                       'Shigeto'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 32bits version 3.99.5 (http://lame.sf.net)'
'TXXX:Acoustid Id'                                  '19c8a20d-cea8-479e-a843-3ac28dd79c5c'
'TXXX:CATALOGNUMBER'                                'GI-184'
'TXXX:MusicBrainz Album Artist Id'                  '9006da5a-73cc-4b98-9395-78570b827fb1'
'TXXX:MusicBrainz Album Id'                         '5788d280-7b8d-433b-848d-adb8c6bb74b9'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '9006da5a-73cc-4b98-9395-78570b827fb1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['idm', 'future jazz', 'experimental', 'electronic']
'TXXX:lastfmtags'                                   ['glitch', 'glitch hop', 'idm', 'electronic', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.42 dB'
'TXXX:replaygain_track_peak'                        '0.513842'

========================== row from database ==========================
                                              'id'  1381058
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/Shigeto – No better time than now (2013)/04-Perfect Crime.mp3
                                         'working'  None
                                         'bitrate'  226
                                    'duration_sec'  314
                                           'genre'  electronic
                                        'filesize'  8916815
                                           'mtime'  1636913376
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer – better time than now (2013) 04 electronic
                                      'tag_artist'  Shigeto
                                     'tag_release'  No Better Time Than Now
                                       'tag_title'  Perfect Crime
                                             'bpm'  121.4
                                    'search_title'  'crime':2 'perfect':1
                                   'search_artist'  'shigeto':1
                                  'search_release'  'better':2 'no':1 'now':5 'than':4 'time':3
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 '2013':7,8 'better':3 'electronic':9 'now':6 'than':5 'time':4
                                    'search_combo'  '00calmer':10 '00poprockelectronic':9 '2013':15,16 'better':5C,11 'crime':2A 'electronic':17 'no':4C 'now':8C,14 'perfect':1A 'shigeto':3B 'than':7C,13 'time':6C,12
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['glitch', 'glitch hop', 'idm', 'electronic', 'ambient']
                                        'tag_date'  2013
                                     'discogstags'  ['idm', 'future jazz', 'experimental', 'electronic']

============================== file details ==============================
                                           'mtime'  1636913376.1532254  (2021-11-14 19:09:36)
                             'size'  8916815