======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '478'
                                          'artist'  'Dropkick Murphys'
                                     'text_people'  ''
                                         'release'  "The Gang's All Here"
                                           'title'  "The Gang's All Here"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-2', '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'  '16'
                                      'tracktotal'  '17'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk-celtic'
                                             'bpm'  '141.611'
                                             'key'  '9B'
                                        'acoustid'  '01a2cbdd-e8e2-49c4-a126-df83aa9e5fc3'
rest: ''

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

'TALB' (Album/Movie/Show title)                     "The Gang's All Here"
'TBPM' (BPM (beats per minute))                     '141.611'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk-celtic'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999-03-16'
'TIT2' (Title/songname/content description)         "The Gang's All Here"
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Dropkick Murphys'
'TPE2' (Band/orchestra/accompaniment)               'Dropkick Murphys'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '16/17'
'TSO2'                                              'Dropkick Murphys'
'TSOP' (Performer sort order)                       'Dropkick Murphys'
'TXXX:Acoustid Id'                                  '01a2cbdd-e8e2-49c4-a126-df83aa9e5fc3'
'TXXX:MusicBrainz Album Artist Id'                  'e8374874-4178-4869-b92e-fef6bf30dc04'
'TXXX:MusicBrainz Album Id'                         '108f2db5-8c8a-411c-9d10-cffa5969b349'
'TXXX:MusicBrainz Album Release Country'            'US'
'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:lastfmtags'                                   ['punk rock', 'irish punk', 'punk', 'irish', 'folk punk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-2.21 dB'
'TXXX:replaygain_track_peak'                        '0.468070'

========================== row from database ==========================
                                              'id'  1323964
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Dropkick Murphys/The Gangs All Here/Dropkick Murphys - The Gangs all Here.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  478
                                           'genre'  rock-gr-punk-celtic
                                        'filesize'  9577252
                                           'mtime'  1636917517
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock Gangs Gangs all rock gr punk celtic
                                      'tag_artist'  Dropkick Murphys
                                     'tag_release'  The Gang's All Here
                                       'tag_title'  The Gang's All Here
                                             'bpm'  141.611
                                    'search_title'  'all':5 'gang':2 'gangs':4 'here':6 's':3 'the':1
                                   'search_artist'  'dropkick':1 'murphys':2
                                  'search_release'  'all':5 'gang':2 'gangs':4 'here':6 's':3 'the':1
                                     'search_rest'  '00poprockelectronic':1 'all':5 'celtic':9 'gangs':4 'gr':7 'indierock':3 'poprock':2 'punk':8 'rock':6
                                    'search_combo'  '00poprockelectronic':15 'all':5A,13C,19 'celtic':23 'dropkick':7B 'gang':2A,10C 'gangs':4A,12C,18 'gr':21 'here':6A,14C 'indierock':17 'murphys':8B 'poprock':16 'punk':22 'rock':20 's':3A,11C 'the':1A,9C
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  9B
                                           '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-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['punk rock', 'irish punk', 'punk', 'irish', 'folk punk']
                                        'tag_date'  1999
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636917516.6338296  (2021-11-14 20:18:36)
                             'size'  9577252