======================== unified (from filesystem) ========================
                                         'bitrate'  '191.976'
                                        'duration'  '208'
                                          'artist'  '311'
                                     'text_people'  ''
                                         'release'  'From Chaos'
                                           'title'  'Amber'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-HHRNBTT-2', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['alternative rock', 'reggae', 'alternative', 'ska', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '12'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-ska'
                                             'bpm'  '111.211'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'From Chaos'
'TBPM' (BPM (beats per minute))                     '111.211'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-ska'
'TDRC' (Recording time)                             '2001-06-19'
'TIT2' (Title/songname/content description)         'Amber'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               '311'
'TPE2' (Band/orchestra/accompaniment)               '311'
'TPUB' (Publisher)                                  'Volcano Records'
'TRCK' (Track number/Position in set)               '10/12'
'TSOP' (Performer sort order)                       '311'
'TXXX:ALBUMARTISTSORT'                              '311'
'TXXX:ASIN'                                         'B00005KBBL'
'TXXX:BARCODE'                                      '614223218427'
'TXXX:CATALOGNUMBER'                                '61422-32184-2'
'TXXX:MusicBrainz Album Artist Id'                  'bf600e2b-dc2d-4839-a1be-6ebef4087cd0'
'TXXX:MusicBrainz Album Id'                         'e3b34af1-887a-45ae-b266-e39cb12e15cf'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'bf600e2b-dc2d-4839-a1be-6ebef4087cd0'
'TXXX:MusicIP PUID'                                 '008fe097-bb30-d9ea-82cc-d1ae2ec780ab'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:added_timestamp'                              '128930990202923527'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['alternative rock', 'reggae', 'alternative', 'ska', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.31 dB'
'TXXX:replaygain_track_peak'                        '0.536592'

========================== row from database ==========================
                                              'id'  1327411
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/311-From Chaos-10-Amber.mp3
                                         'working'  None
                                         'bitrate'  191
                                    'duration_sec'  208
                                           'genre'  loc-style-reggae or dub or ska or dancehall-ska
                                        'filesize'  5008911
                                           'mtime'  1620524962
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 10 loc style reggae or dub or ska or dancehall ska
                                      'tag_artist'  311
                                     'tag_release'  From Chaos
                                       'tag_title'  Amber
                                             'bpm'  111.211
                                    'search_title'  'amber':1
                                   'search_artist'  '311':1
                                  'search_release'  'chaos':2 'from':1
                                     'search_rest'  '00poprockelectronic':1 'dancehall':13 'dub':11 'files':5,6 'loc':7 'loose':3,4 'or':10 'reggae':9 'ska':12 'style':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':5 '311':2B 'amber':1A 'chaos':4C 'dancehall':17 'dub':15 'files':9,10 'from':3C 'loc':11 'loose':7,8 'or':14 'reggae':13 'ska':16 'style':12 'unsorted':6
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'reggae', 'alternative', 'ska', 'rock']
                                        'tag_date'  2001
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620524962.1944132  (2021-05-09 03:49:22)
                             'size'  5008911