======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '232'
                                          'artist'  'Trundlebox'
                                     'text_people'  ''
                                         'release'  '?'
                                           'title'  'Brassy 2'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-UNU-2', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-glitch'
                                             'bpm'  '144.5'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '?'
'TBPM' (BPM (beats per minute))                     '144.5'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-glitch'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'Brassy 2'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Trundlebox'
'TXXX:Mp3gain_minmax'                               '107,187'
'TXXX:Mp3gain_undo'                                 '+004,+004,N'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.76 dB'
'TXXX:replaygain_track_peak'                        '0.515946'

========================== row from database ==========================
                                              'id'  1477112
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Noise Conglomeration/Trundlebox_-_Brassy_2.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  232
                                           'genre'  electronic-experimental-glitch
                                        'filesize'  3728731
                                           'mtime'  1636136148
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Noise Conglomeration Trundlebox_ _Brassy_2 electronic experimental glitch
                                      'tag_artist'  Trundlebox
                                     'tag_release'  ?
                                       'tag_title'  Brassy 2
                                             'bpm'  144.5
                                    'search_title'  '2':2 'brassy':1
                                   'search_artist'  'trundlebox':1
                                  'search_release'  
                                     'search_rest'  '2':5 'brassy':4 'conglomeration':2 'electronic':6 'experimental':7 'glitch':8 'noise':1 'trundlebox':3
                                    'search_combo'  '2':2A,8 'brassy':1A,7 'conglomeration':5 'electronic':9 'experimental':10 'glitch':11 'noise':4 'trundlebox':3B,6
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-3', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636136148.3787658  (2021-11-05 19:15:48)
                             'size'  3728731