======================== unified (from filesystem) ========================
                                         'bitrate'  '253.971'
                                        'duration'  '190'
                                          'artist'  "K's Choice"
                                     'text_people'  ''
                                         'release'  'Cocoon Crash'
                                           'title'  'Cocoon Crash'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', '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-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative rock', '90s', 'alternative', 'female vocalists', 'rock']"
                                     'discogstags'  "['rock', 'pop', 'alternative rock', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '94.108'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Cocoon Crash'
'TBPM' (BPM (beats per minute))                     '94.108'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Cocoon Crash'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               "K's Choice"
'TRCK' (Track number/Position in set)               '9'
'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', 'pop', 'alternative rock', 'pop rock']
'TXXX:lastfmtags'                                   ['alternative rock', '90s', 'alternative', 'female vocalists', 'rock']
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.88 dB'
'TXXX:replaygain_track_peak'                        '0.450165'

========================== row from database ==========================
                                              'id'  1532724
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/00songwriter-eos/K_s Choice/K_s Choice - Cocoon Crash - 09 - Cocoon Crash.mp3
                                         'working'  None
                                         'bitrate'  254
                                    'duration_sec'  190
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  6048666
                                           'mtime'  1636401141
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 00songwriter eos K_s K_s 09 ifs songwriter eos
                                      'tag_artist'  K's Choice
                                     'tag_release'  Cocoon Crash
                                       'tag_title'  Cocoon Crash
                                             'bpm'  94.108
                                    'search_title'  'cocoon':1 'crash':2
                                   'search_artist'  'choice':4 'k':1 'ks':3 's':2
                                  'search_release'  'cocoon':1 'crash':2
                                     'search_rest'  '00singer':1 '00songwriter':4 'eos':3 'ifs':7 'k':5 's':6 'songwriter':2
                                    'search_combo'  '00singer':9 '00songwriter':12 'choice':6B 'cocoon':1A,7C 'crash':2A,8C 'eos':11 'ifs':15 'k':3B,13 'ks':5B 's':4B,14 'songwriter':10
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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'  ['alternative rock', '90s', 'alternative', 'female vocalists', 'rock']
                                        'tag_date'  1998
                                     'discogstags'  ['rock', 'pop', 'alternative rock', 'pop rock']

============================== file details ==============================
                                           'mtime'  1636401140.5584085  (2021-11-08 20:52:20)
                             'size'  6048666