======================== unified (from filesystem) ========================
                                         'bitrate'  '206.471'
                                        'duration'  '1742'
                                          'artist'  'Godspeed You! Black Emperor'
                                     'text_people'  ''
                                         'release'  'F#A#'
                                           'title'  'Providence'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'post rock', 'experimental', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted;electronic'
                                             'bpm'  '133.933'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'F#A#'
'TBPM' (BPM (beats per minute))                     '133.933'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted', 'electronic']
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Providence'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Godspeed You! Black Emperor'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['instrumental', 'post rock', 'experimental', 'ambient']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.04 dB'
'TXXX:replaygain_track_peak'                        '0.599067'

========================== row from database ==========================
                                              'id'  1347886
                                            'path'  /data/Music/Bulk/00poprockelectronic/Godspeed You Black Emperor!/F#A# (Infinity)/03 - providence.mp3
                                         'working'  None
                                         'bitrate'  206
                                    'duration_sec'  1742
                                           'genre'  electronic-unsorted;electronic
                                        'filesize'  44973916
                                           'mtime'  1636914057
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Emperor! (Infinity) 03 providence electronic unsorted;electronic
                                      'tag_artist'  Godspeed You! Black Emperor
                                     'tag_release'  F#A#
                                       'tag_title'  Providence
                                             'bpm'  133.933
                                    'search_title'  'providence':1
                                   'search_artist'  'black':3 'emperor':4 'godspeed':1 'you':2
                                  'search_release'  'a':2,4 'f':1,3
                                     'search_rest'  '00poprockelectronic':1 'electronic':6,8,10 'emperor':2 'infinity':3,4 'providence':5 'unsorted':7,9
                                    'search_combo'  '00poprockelectronic':10 'a':7C,9C 'black':4B 'electronic':15,17,19 'emperor':5B,11 'f':6C,8C 'godspeed':2B 'infinity':12,13 'providence':1A,14 'unsorted':16,18 'you':3B
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'post rock', 'experimental', 'ambient']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636914057.4078302  (2021-11-14 19:20:57)
                             'size'  44973916