======================== unified (from filesystem) ========================
                                         'bitrate'  '191.712'
                                        'duration'  '201'
                                          'artist'  'Jason Webley'
                                     'text_people'  ''
                                         'release'  'Only Just Beginning'
                                           'title'  'May Day'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'gypsy', 'accordion', 'folk', 'singer songwriter']"
                                     'discogstags'  "['rock', 'folk, world, & country', 'folk rock', 'punk', 'folk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie'
                                             'bpm'  '138.229'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            'Ripped by Gnomish Pirates'
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Only Just Beginning'
'TBPM' (BPM (beats per minute))                     '138.229'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'May Day'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Jason Webley'
'TPUB' (Publisher)                                  'Springman'
'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'                                  ['rock', 'folk, world, & country', 'folk rock', 'punk', 'folk']
'TXXX:lastfmtags'                                   ['indie', 'gypsy', 'accordion', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.31 dB'
'TXXX:replaygain_track_peak'                        '0.491962'

========================== row from database ==========================
                                              'id'  200856
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Jason Webley/Only Just Beginning/Jason Webley - 08 - May Day.mp3
                                         'working'  None
                                         'bitrate'  191
                                    'duration_sec'  201
                                           'genre'  ifs-songwriter-indie
                                        'filesize'  4835418
                                           'mtime'  1636400526
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 08 ifs songwriter indie
                                      'tag_artist'  Jason Webley
                                     'tag_release'  Only Just Beginning
                                       'tag_title'  May Day
                                             'bpm'  138.229
                                    'search_title'  'day':2 'may':1
                                   'search_artist'  'jason':1 'webley':2
                                  'search_release'  'beginning':3 'just':2 'only':1
                                     'search_rest'  '00singer':1 'eos':3 'ifs':4 'indie':5 'songwriter':2
                                    'search_combo'  '00singer':8 'beginning':7C 'day':2A 'eos':10 'ifs':11 'indie':12 'jason':3B 'just':6C 'may':1A 'only':5C 'songwriter':9 'webley':4B
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  9B
                                           '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-4', 'q-syn-1', 'q-chart-3', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'gypsy', 'accordion', 'folk', 'singer songwriter']
                                        'tag_date'  2004
                                     'discogstags'  ['rock', 'folk, world, & country', 'folk rock', 'punk', 'folk']

============================== file details ==============================
                                           'mtime'  1636400526.0686936  (2021-11-08 20:42:06)
                             'size'  4835418