======================== unified (from filesystem) ========================
                                         'bitrate'  '161.788'
                                        'duration'  '192'
                                          'artist'  'Derrick Morgan'
                                     'text_people'  ''
                                         'release'  'Reggae Singles'
                                           'title'  'Standing By'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-HHRNBTT-2', 'Q-OLDST-2', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['reggae', 'skinhead reggae', 'ska', 'roots', 'rocksteady']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1971'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
                                             'bpm'  '93.716'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         "Eiderman's Hi-Fi"
'COMM:ID3v1 Comment:XXX'                            "Eiderman's Hi-Fi"
'TALB' (Album/Movie/Show title)                     'Reggae Singles'
'TBPM' (BPM (beats per minute))                     '93.716'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-dub-roots and reggae'
'TDRC' (Recording time)                             '1971'
'TIT2' (Title/songname/content description)         'Standing By'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Derrick Morgan'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['reggae', 'skinhead reggae', 'ska', 'roots', 'rocksteady']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.80 dB'
'TXXX:replaygain_track_peak'                        '0.601018'

========================== row from database ==========================
                                              'id'  985406
                                            'path'  /data/Music/Bulk/00localcharacter/reggae singles/[Bullet BU467 B - UK 1971] Derrick Morgan - Standing By.mp3
                                         'working'  None
                                         'bitrate'  161
                                    'duration_sec'  192
                                           'genre'  loc-style-reggae or dub or ska or dancehall-dub-roots and reggae
                                        'filesize'  3899388
                                           'mtime'  1620524068
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter reggae singles [Bullet BU467 UK 1971] loc style reggae dub ska dancehall dub roots reggae
                                      'tag_artist'  Derrick Morgan
                                     'tag_release'  Reggae Singles
                                       'tag_title'  Standing By
                                             'bpm'  93.716
                                    'search_title'  'by':2 'standing':1
                                   'search_artist'  'derrick':1 'morgan':2
                                  'search_release'  'reggae':1 'singles':2
                                     'search_rest'  '1971':7,8 'bu467':5 'bullet':3,4 'dancehall':13 'dub':11 'loc':9 'reggae':1 'roots':14 'singles':2 'ska':12 'style':10 'uk':6
                                    'search_combo'  '1971':13,14 'bu467':11 'bullet':9,10 'by':2A 'dancehall':19 'derrick':3B 'dub':17 'loc':15 'morgan':4B 'reggae':5C,7 'roots':20 'singles':6C,8 'ska':18 'standing':1A 'style':16 'uk':12
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'skinhead reggae', 'ska', 'roots', 'rocksteady']
                                        'tag_date'  1971
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524067.560293  (2021-05-09 03:34:27)
                             'size'  3899388