======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '259'
                                          'artist'  'Brian Eno & David Byrne'
                                     'text_people'  'Brian Eno/David Byrne'
                                         'release'  'plastictango tango'
                                           'title'  'The Carrier'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['post punk', 'electronic', 'eno', 'experimental', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1981'
                                        'comments'  ''
                                           'genre'  'loc-style-tango or milonga;electronic;electronic-we-new wave or post punk'
                                             'bpm'  '108.471'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 000008E1 00000851 00004014'
'COMM:iTunNORM:eng'                                 (' 000008E1 00000851 00004014 00003153 0003347E 0003347E 00008000 00008000 '
 '00027100 00027100')
'TALB' (Album/Movie/Show title)                     'plastictango tango'
'TBPM' (BPM (beats per minute))                     '108.471'
'TCOM' (Composer)                                   'Brian Eno/David Byrne'
'TCON' (Content type, a.k.a. Genre)                 ['loc-style-tango or milonga',
 'electronic',
 'electronic-we-new wave or post punk']
'TDRC' (Recording time)                             '1981'
'TIT2' (Title/songname/content description)         'The Carrier'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Brian Eno & David Byrne'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Nonesuch'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['post punk', 'electronic', 'eno', 'experimental', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.26 dB'
'TXXX:replaygain_track_peak'                        '0.520507'

========================== row from database ==========================
                                              'id'  241027
                                            'path'  /data/Music/Bulk/00localcharacter/plastictango/tango/tango 100.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  259
                                           'genre'  loc-style-tango or milonga;electronic;electronic-we-new wave or post punk
                                        'filesize'  6222244
                                           'mtime'  1636912963
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 100 loc style or milonga;electronic;electronic we new wave or post punk
                                      'tag_artist'  Brian Eno & David Byrne
                                     'tag_release'  plastictango tango
                                       'tag_title'  The Carrier
                                             'bpm'  108.471
                                    'search_title'  'carrier':2 'the':1
                                   'search_artist'  'brian':1 'byrne':4 'david':3 'eno':2
                                  'search_release'  'plastictango':1 'tango':2
                                     'search_rest'  '100':1 'electronic':6,7,9,10 'loc':2 'milonga':5,8 'new':12 'or':4 'post':14 'punk':15 'style':3 'wave':13 'we':11
                                    'search_combo'  '100':9 'brian':3B 'byrne':6B 'carrier':2A 'david':5B 'electronic':14,15,17,18 'eno':4B 'loc':10 'milonga':13,16 'new':20 'or':12 'plastictango':7C 'post':22 'punk':23 'style':11 'tango':8C 'the':1A 'wave':21 'we':19
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['post punk', 'electronic', 'eno', 'experimental', 'ambient']
                                        'tag_date'  1981
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636912962.9245832  (2021-11-14 19:02:42)
                             'size'  6222244