======================== unified (from filesystem) ========================
                                         'bitrate'  '264.47'
                                        'duration'  '223'
                                          'artist'  'Low'
                                     'text_people'  ''
                                         'release'  'Drums and guns'
                                           'title'  'Murderer'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'slowcore', 'post rock', 'alternative', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic;ifs-songwriter-indie-pop'
                                             'bpm'  '99.812'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Drums and guns'
'TBPM' (BPM (beats per minute))                     '99.812'
'TCON' (Content type, a.k.a. Genre)                 ['electronic', 'ifs-songwriter-indie-pop']
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Murderer'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'Low'
'TXXX:Mp3gain_minmax'                               '000,239'
'TXXX:Mp3gain_undo'                                 '+016,+016,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', 'slowcore', 'post rock', 'alternative', 'indie rock']
'TXXX:original release date'                        ['2007', '2007']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+14.25 dB'
'TXXX:replaygain_track_peak'                        '3.141470'

========================== row from database ==========================
                                              'id'  1289722
                                            'path'  /data/Music/Bulk/00poprockelectronic/Low/2007 - drums and guns/12 - Murderer.mp3
                                         'working'  None
                                         'bitrate'  264
                                    'duration_sec'  223
                                           'genre'  electronic;ifs-songwriter-indie-pop
                                        'filesize'  7412602
                                           'mtime'  1636914172
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 2007 drums 12 electronic;ifs songwriter indie pop
                                      'tag_artist'  Low
                                     'tag_release'  Drums and guns
                                       'tag_title'  Murderer
                                             'bpm'  99.812
                                    'search_title'  'murderer':1
                                   'search_artist'  'low':1
                                  'search_release'  'and':2 'drums':1 'guns':3
                                     'search_rest'  '00poprockelectronic':1 '2007':2 'drums':3 'electronic':4,6 'ifs':5,7 'indie':9 'pop':10 'songwriter':8
                                    'search_combo'  '00poprockelectronic':6 '2007':7 'and':4C 'drums':3C,8 'electronic':9,11 'guns':5C 'ifs':10,12 'indie':14 'low':2B 'murderer':1A 'pop':15 'songwriter':13
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', '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-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'slowcore', 'post rock', 'alternative', 'indie rock']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636914171.7916708  (2021-11-14 19:22:51)
                             'size'  7412602