======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '93'
                                          'artist'  'Dropkick Murphys'
                                     'text_people'  ''
                                         'release'  'Sing Loud, Sing Proud!'
                                           'title'  'For Boston'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['punk rock', 'irish punk', 'punk', 'irish', 'folk punk']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '16'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk-celtic'
                                             'bpm'  '136.643'
                                             'key'  '5B'
                                        'acoustid'  '3000b5c6-5e1b-4599-80ec-b992ec572975'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sing Loud, Sing Proud!'
'TBPM' (BPM (beats per minute))                     '136.643'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk-celtic'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001-01-23'
'TIT2' (Title/songname/content description)         'For Boston'
'TKEY' (Initial key)                                '5B'
'TMED' (Media type)                                 'HDCD'
'TPE1' (Lead performer(s)/Soloist(s))               'Dropkick Murphys'
'TPE2' (Band/orchestra/accompaniment)               'Dropkick Murphys'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Hellcat Records'
'TRCK' (Track number/Position in set)               '1/16'
'TSO2'                                              'Dropkick Murphys'
'TSOP' (Performer sort order)                       'Dropkick Murphys'
'TXXX:ASIN'                                         'B000056AT5'
'TXXX:Acoustid Id'                                  '3000b5c6-5e1b-4599-80ec-b992ec572975'
'TXXX:BARCODE'                                      '8714092043020'
'TXXX:CATALOGNUMBER'                                '0430-2'
'TXXX:MusicBrainz Album Artist Id'                  'e8374874-4178-4869-b92e-fef6bf30dc04'
'TXXX:MusicBrainz Album Id'                         'e0606d7c-f2a8-3ad7-8d02-ea0fc1e05f44'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'e8374874-4178-4869-b92e-fef6bf30dc04'
'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:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:involved people'                              'producer'
'TXXX:lastfmtags'                                   ['punk rock', 'irish punk', 'punk', 'irish', 'folk punk']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.99 dB'
'TXXX:replaygain_track_peak'                        '0.357201'

========================== row from database ==========================
                                              'id'  1322167
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Dropkick Murphys/Sing Loud Sing Proud/Dropkick Murphys - For Boston.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  93
                                           'genre'  rock-gr-punk-celtic
                                        'filesize'  1493524
                                           'mtime'  1636917511
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock rock gr punk celtic
                                      'tag_artist'  Dropkick Murphys
                                     'tag_release'  Sing Loud, Sing Proud!
                                       'tag_title'  For Boston
                                             'bpm'  136.643
                                    'search_title'  'boston':2 'for':1
                                   'search_artist'  'dropkick':1 'murphys':2
                                  'search_release'  'loud':2,3 'proud':4 'sing':1
                                     'search_rest'  '00poprockelectronic':1 'celtic':7 'gr':5 'indierock':3 'poprock':2 'punk':6 'rock':4
                                    'search_combo'  '00poprockelectronic':9 'boston':2A 'celtic':15 'dropkick':3B 'for':1A 'gr':13 'indierock':11 'loud':6C,7C 'murphys':4B 'poprock':10 'proud':8C 'punk':14 'rock':12 'sing':5C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['punk rock', 'irish punk', 'punk', 'irish', 'folk punk']
                                        'tag_date'  2001
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636917511.1768858  (2021-11-14 20:18:31)
                             'size'  1493524