======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '132'
                                          'artist'  'Operation Ivy'
                                     'text_people'  ''
                                         'release'  'Unreleased Energy'
                                           'title'  'Plea For Peace (1987 demo)'
                                           'quals'  ("['Q-HAP-3', '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-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['ska', 'punk rock', 'punk', 'skacore', 'ska punk']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '30'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk-ska'
                                             'bpm'  '111.8'
                                             'key'  '11A'
                                        'acoustid'  'e0aec229-f333-4300-b8a4-0b56d0c782e6'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Unreleased Energy'
'TBPM' (BPM (beats per minute))                     '111.8'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk-ska'
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Plea For Peace (1987 demo)'
'TKEY' (Initial key)                                '11A'
'TLEN' (Length)                                     '132362'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Operation Ivy'
'TPE2' (Band/orchestra/accompaniment)               'Operation Ivy'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Red Robin Records'
'TRCK' (Track number/Position in set)               '4/30'
'TSO2'                                              'Operation Ivy'
'TSOP' (Performer sort order)                       'Operation Ivy'
'TXXX:Acoustid Id'                                  'e0aec229-f333-4300-b8a4-0b56d0c782e6'
'TXXX:CATALOGNUMBER'                                'ROB-1051'
'TXXX:MusicBrainz Album Artist Id'                  '931e1d1f-6b2f-4ff8-9f70-aa537210cd46'
'TXXX:MusicBrainz Album Id'                         'd81d620c-b0da-4b20-ad25-1699acdc9aa2'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '931e1d1f-6b2f-4ff8-9f70-aa537210cd46'
'TXXX:Q-HAP'                                        '3'
'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'                                   ['ska', 'punk rock', 'punk', 'skacore', 'ska punk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'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'                        '-1.14 dB'
'TXXX:replaygain_track_peak'                        '0.497062'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'6f246ed2-e19f-4fd1-a1ae-b1a92321790a')

========================== row from database ==========================
                                              'id'  1353021
                                            'path'  /data/Music/Bulk/00poprockelectronic/Operation Ivy/Unreleased Energy/Operation Ivy - Plea For Peace - 04.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  132
                                           'genre'  rock-gr-punk-ska
                                        'filesize'  2120048
                                           'mtime'  1621695965
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 04 rock gr punk ska
                                      'tag_artist'  Operation Ivy
                                     'tag_release'  Unreleased Energy
                                       'tag_title'  Plea For Peace (1987 demo)
                                             'bpm'  111.8
                                    'search_title'  '1987':4,5 'demo':6,7 'for':2 'peace':3 'plea':1
                                   'search_artist'  'ivy':2 'operation':1
                                  'search_release'  'energy':2 'unreleased':1
                                     'search_rest'  '00poprockelectronic':1 'gr':3 'punk':4 'rock':2 'ska':5
                                    'search_combo'  '00poprockelectronic':12 '1987':4A,5A 'demo':6A,7A 'energy':11C 'for':2A 'gr':14 'ivy':9B 'operation':8B 'peace':3A 'plea':1A 'punk':15 'rock':13 'ska':16 'unreleased':10C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  11A
                                           '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-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['ska', 'punk rock', 'punk', 'skacore', 'ska punk']
                                        'tag_date'  1996
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1621695965.3396385  (2021-05-22 17:06:05)
                             'size'  2120048