======================== unified (from filesystem) ========================
                                         'bitrate'  '218.054'
                                        'duration'  '178'
                                          'artist'  'Sambassadeur'
                                     'text_people'  ''
                                         'release'  'Sambassadeur'
                                           'title'  'Ice & Snow'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['swedish', 'indie pop', 'indie', 'female vocalists', 'twee']"
                                     'discogstags'  "['rock', 'indie rock', 'shoegaze']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '12'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '99.861'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:ú(\x00\x00'                      PRIV(owner='AverageLevel', data=b'\xfa(\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'Sambassadeur'
'TBPM' (BPM (beats per minute))                     '99.861'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2005'
'TENC' (Encoded by)                                 'lame'
'TIT2' (Title/songname/content description)         'Ice & Snow'
'TKEY' (Initial key)                                '6A'
'TLAN' (Language(s))                                'english'
'TPE1' (Lead performer(s)/Soloist(s))               'Sambassadeur'
'TPE2' (Band/orchestra/accompaniment)               'Sambassadeur'
'TRCK' (Track number/Position in set)               '2/12'
'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', 'indie rock', 'shoegaze']
'TXXX:lastfmtags'                                   ['swedish', 'indie pop', 'indie', 'female vocalists', 'twee']
'TXXX:q-bass'                                       '3'
'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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.78 dB'
'TXXX:replaygain_track_peak'                        '0.383192'

========================== row from database ==========================
                                              'id'  1257791
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Sambassadeur/Sambassadeur/sambassadeur - sambassadeur - 2 - ice & snow.mp3
                                         'working'  None
                                         'bitrate'  218
                                    'duration_sec'  178
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  4867180
                                           'mtime'  1621852171
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos sambassadeur sambassadeur 2 ice snow ifs songwriter indie unsorted
                                      'tag_artist'  Sambassadeur
                                     'tag_release'  Sambassadeur
                                       'tag_title'  Ice & Snow
                                             'bpm'  99.861
                                    'search_title'  'ice':1 'snow':2
                                   'search_artist'  'sambassadeur':1
                                  'search_release'  'sambassadeur':1
                                     'search_rest'  '00singer':1 '2':5 'eos':3 'ice':6 'ifs':8 'indie':9 'sambassadeur':4 'snow':7 'songwriter':2 'unsorted':10
                                    'search_combo'  '00singer':5 '2':9 'eos':7 'ice':1A,10 'ifs':12 'indie':13 'sambassadeur':3B,4C,8 'snow':2A,11 'songwriter':6 'unsorted':14
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['swedish', 'indie pop', 'indie', 'female vocalists', 'twee']
                                        'tag_date'  2005
                                     'discogstags'  ['rock', 'indie rock', 'shoegaze']

============================== file details ==============================
                                           'mtime'  1621852171.205529  (2021-05-24 12:29:31)
                             'size'  4867180