======================== unified (from filesystem) ========================
                                         'bitrate'  '247.354'
                                        'duration'  '266'
                                          'artist'  'Dolorean'
                                     'text_people'  ''
                                         'release'  'The Unfazed'
                                           'title'  'Hard Working Dogs'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie rock', 'indie', 'slowcore', 'portland', 'folk', 'singer songwriter']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '144.645'
                                             'key'  '6B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Unfazed'
'TBPM' (BPM (beats per minute))                     '144.645'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         'Hard Working Dogs'
'TKEY' (Initial key)                                '6B'
'TLEN' (Length)                                     '266586'
'TPE1' (Lead performer(s)/Soloist(s))               'Dolorean'
'TRCK' (Track number/Position in set)               '04'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME 64bits version 3.98.4 (http://www.mp3dev.org/)'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie rock', 'indie', 'slowcore', 'portland', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.20 dB'
'TXXX:replaygain_track_peak'                        '0.366184'

========================== row from database ==========================
                                              'id'  1253332
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Dolorean - 2011 - The Unfazed [V0]/04 - Hard Working Dogs.mp3
                                         'working'  None
                                         'bitrate'  247
                                    'duration_sec'  266
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  8246812
                                           'mtime'  1637950124
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 2011 [V0] 04 ifs songwriter indie unsorted
                                      'tag_artist'  Dolorean
                                     'tag_release'  The Unfazed
                                       'tag_title'  Hard Working Dogs
                                             'bpm'  144.645
                                    'search_title'  'dogs':3 'hard':1 'working':2
                                   'search_artist'  'dolorean':1
                                  'search_release'  'the':1 'unfazed':2
                                     'search_rest'  '00singer':1 '2011':4 'eos':3 'ifs':7 'indie':8 'songwriter':2 'unsorted':9 'v0':5,6
                                    'search_combo'  '00singer':7 '2011':10 'dogs':3A 'dolorean':4B 'eos':9 'hard':1A 'ifs':13 'indie':14 'songwriter':8 'the':5C 'unfazed':6C 'unsorted':15 'v0':11,12 'working':2A
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie rock', 'indie', 'slowcore', 'portland', 'folk', 'singer songwriter']
                                        'tag_date'  2011
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1637950124.025339  (2021-11-26 19:08:44)
                             'size'  8246812