======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '264'
                                          'artist'  'Leona Naess'
                                     'text_people'  ''
                                         'release'  'Comatised'
                                           'title'  'Charm Attack'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'rock', 'female vocalists', 'pop', 'singer songwriter']"
                                     'discogstags'  "['rock', 'pop', 'folk rock', 'acoustic', 'pop rock', 'alternative rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-pop'
                                             'bpm'  '118.706'
                                             'key'  '5B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Summer; Christmas'
'TALB' (Album/Movie/Show title)                     'Comatised'
'TBPM' (BPM (beats per minute))                     '118.706'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-pop'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Charm Attack'
'TKEY' (Initial key)                                '5B'
'TPE1' (Lead performer(s)/Soloist(s))               'Leona Naess'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'pop', 'folk rock', 'acoustic', 'pop rock', 'alternative rock']
'TXXX:lastfmtags'                                   ['indie', 'rock', 'female vocalists', 'pop', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.20 dB'
'TXXX:replaygain_track_peak'                        '0.430570'

========================== row from database ==========================
                                              'id'  1252143
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Leona Naess/Comatised__MBZ;#Leona Naess;#Comatised;#Charm Attack;#2.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  264
                                           'genre'  ifs-songwriter-pop
                                        'filesize'  5297128
                                           'mtime'  1638563054
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Comatised__MBZ;#Leona Naess;#Comatised;#Charm Attack;#2 ifs songwriter pop
                                      'tag_artist'  Leona Naess
                                     'tag_release'  Comatised
                                       'tag_title'  Charm Attack
                                             'bpm'  118.706
                                    'search_title'  'attack':2 'charm':1
                                   'search_artist'  'leona':1 'naess':2
                                  'search_release'  'comatised':1
                                     'search_rest'  '00singer':1 '2':17,19 'attack':16,18 'charm':12,15 'comatised':4,7,11,14 'eos':3 'ifs':20 'leona':6,9 'mbz':5,8 'naess':10,13 'pop':21 'songwriter':2
                                    'search_combo'  '00singer':6 '2':22,24 'attack':2A,21,23 'charm':1A,17,20 'comatised':5C,9,12,16,19 'eos':8 'ifs':25 'leona':3B,11,14 'mbz':10,13 'naess':4B,15,18 'pop':26 'songwriter':7
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'rock', 'female vocalists', 'pop', 'singer songwriter']
                                        'tag_date'  2000
                                     'discogstags'  ['rock', 'pop', 'folk rock', 'acoustic', 'pop rock', 'alternative rock']

============================== file details ==============================
                                           'mtime'  1638563053.7701437  (2021-12-03 21:24:13)
                             'size'  5297128