======================== unified (from filesystem) ========================
                                         'bitrate'  '197.849'
                                        'duration'  '329'
                                          'artist'  'Black Rebel Motorcycle Club'
                                     'text_people'  ''
                                         'release'  'B.R.M.C.'
                                           'title'  'Rifles'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'alternative rock', 'alternative', 'indie rock', 'rock']"
                                     'discogstags'  "['rock', 'blues rock', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '11'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-rock'
                                             'bpm'  '140.8'
                                             'key'  '8A'
                                        'acoustid'  'f134c220-17d3-4525-9136-331e48933854'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'B.R.M.C.'
'TBPM' (BPM (beats per minute))                     '140.8'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-rock'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001-04-03'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['mix', 'Peter Hayes'], ['mix', 'Masaki Liu'], ['mix', 'Michael Patterson'], ['engineer', 'Peter Hayes'], ['engineer', 'Masaki Liu'], ['engineer', 'David Schiffman']])
'TIT2' (Title/songname/content description)         'Rifles'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Black Rebel Motorcycle Club'
'TPE2' (Band/orchestra/accompaniment)               'Black Rebel Motorcycle Club'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Virgin Records America'
'TRCK' (Track number/Position in set)               '7/11'
'TSO2'                                              'Black Rebel Motorcycle Club'
'TSOP' (Performer sort order)                       'Black Rebel Motorcycle Club'
'TSRC' (ISRC (international standard recording code))  'USVI20000643'
'TXXX:ASIN'                                         'B00005ARDC'
'TXXX:Acoustid Id'                                  'f134c220-17d3-4525-9136-331e48933854'
'TXXX:Artists'                                      'Black Rebel Motorcycle Club'
'TXXX:BARCODE'                                      '724381004524'
'TXXX:CATALOGNUMBER'                                '7243 8 10045 2 4'
'TXXX:MusicBrainz Album Artist Id'                  '32b90c92-9978-4a07-90eb-caa4b22f4907'
'TXXX:MusicBrainz Album Id'                         'aab9191c-f1d4-4b54-b7e5-ad9439d480a5'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '32b90c92-9978-4a07-90eb-caa4b22f4907'
'TXXX:MusicBrainz Release Group Id'                 'ed9f81e5-7964-31ba-a49b-0776790e2347'
'TXXX:MusicBrainz Release Track Id'                 'b4092b3b-bfdd-3374-a6c4-ed0af4753a61'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'blues rock', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'alternative rock', 'alternative', 'indie rock', 'rock']
'TXXX:originalyear'                                 '2001'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.71 dB'
'TXXX:replaygain_track_peak'                        '0.381158'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'9203e4d3-5f9c-4527-b626-01bdd09173ce')

========================== row from database ==========================
                                              'id'  1270822
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Black Rebel Motorcycle Club/B.R.M.C/Black Rebel Motorcycle Club - Rifles.mp3
                                         'working'  None
                                         'bitrate'  197
                                    'duration_sec'  329
                                           'genre'  ifs-songwriter-rock
                                        'filesize'  8166303
                                           'mtime'  1638562500
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos ifs songwriter rock
                                      'tag_artist'  Black Rebel Motorcycle Club
                                     'tag_release'  B.R.M.C.
                                       'tag_title'  Rifles
                                             'bpm'  140.8
                                    'search_title'  'rifles':1
                                   'search_artist'  'black':1 'club':4 'motorcycle':3 'rebel':2
                                  'search_release'  'b':1 'brmc':5 'c':4 'm':3 'r':2
                                     'search_rest'  '00singer':1 'eos':3 'ifs':4 'rock':5 'songwriter':2
                                    'search_combo'  '00singer':11 'b':6C 'black':2B 'brmc':10C 'c':9C 'club':5B 'eos':13 'ifs':14 'm':8C 'motorcycle':4B 'r':7C 'rebel':3B 'rifles':1A 'rock':15 'songwriter':12
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-2', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative rock', 'alternative', 'indie rock', 'rock']
                                        'tag_date'  2001
                                     'discogstags'  ['rock', 'blues rock', 'indie rock']

============================== file details ==============================
                                           'mtime'  1638562500.3349826  (2021-12-03 21:15:00)
                             'size'  8166303