======================== unified (from filesystem) ========================
                                         'bitrate'  '189.234'
                                        'duration'  '227'
                                          'artist'  'Loney, Dear'
                                     'text_people'  ''
                                         'release'  'Loney, Noir'
                                           'title'  'Carrying A Stone'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['swedish', 'indie pop', 'indie', 'mellow', 'singer songwriter']"
                                     'discogstags'  "['folk rock', 'indie rock', 'indie pop', 'rock', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '133.756'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Loney, Noir'
'TBPM' (BPM (beats per minute))                     '133.756'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2007'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'Carrying A Stone'
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'Loney, Dear'
'TRCK' (Track number/Position in set)               '8'
'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'                                  ['folk rock', 'indie rock', 'indie pop', 'rock', 'pop']
'TXXX:lastfmtags'                                   ['swedish', 'indie pop', 'indie', 'mellow', '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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.19 dB'
'TXXX:replaygain_track_peak'                        '0.351946'

========================== row from database ==========================
                                              'id'  1255279
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Loney, Dear - Dear Loney/Loney, Noir/08 - carrying a stone.mp3
                                         'working'  None
                                         'bitrate'  189
                                    'duration_sec'  227
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  5451807
                                           'mtime'  1621851806
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 08 carrying stone ifs songwriter indie unsorted
                                      'tag_artist'  Loney, Dear
                                     'tag_release'  Loney, Noir
                                       'tag_title'  Carrying A Stone
                                             'bpm'  133.756
                                    'search_title'  'a':2 'carrying':1 'stone':3
                                   'search_artist'  'dear':3 'loney':1,2
                                  'search_release'  'loney':1,2 'noir':3
                                     'search_rest'  '00singer':1 'carrying':4 'eos':3 'ifs':6 'indie':7 'songwriter':2 'stone':5 'unsorted':8
                                    'search_combo'  '00singer':10 'a':2A 'carrying':1A,13 'dear':6B 'eos':12 'ifs':15 'indie':16 'loney':4B,5B,7C,8C 'noir':9C 'songwriter':11 'stone':3A,14 'unsorted':17
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', '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'  ['swedish', 'indie pop', 'indie', 'mellow', 'singer songwriter']
                                        'tag_date'  2007
                                     'discogstags'  ['folk rock', 'indie rock', 'indie pop', 'rock', 'pop']

============================== file details ==============================
                                           'mtime'  1621851806.3600497  (2021-05-24 12:23:26)
                             'size'  5451807