======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '174'
                                          'artist'  '17 Hippies'
                                     'text_people'  '17 Hippies AKA Max Manila/Dirk/Kiki'
                                         'release'  'Balkanizacija: BalkanBeat i LevantianDub'
                                           'title'  'Schattenmann'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-2', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['folk', 'gypsy', 'klezmer', 'german', 'world music']"
                                     'discogstags'  "['folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'loc-style-gypsy or balkan or klezmer;mi-brass'
                                             'bpm'  '98.262'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Balkanizacija: BalkanBeat i LevantianDub'
'TBPM' (BPM (beats per minute))                     '98.262'
'TCOM' (Composer)                                   '17 Hippies AKA Max Manila/Dirk/Kiki'
'TCON' (Content type, a.k.a. Genre)                 ['loc-style-gypsy or balkan or klezmer', 'mi-brass']
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Schattenmann'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               '17 Hippies'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Buda'
'TRCK' (Track number/Position in set)               '19'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'folk, world, & country'
'TXXX:lastfmtags'                                   ['folk', 'gypsy', 'klezmer', 'german', 'world music']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.61 dB'
'TXXX:replaygain_track_peak'                        '0.333815'

========================== row from database ==========================
                                              'id'  1389593
                                            'path'  /data/Music/Bulk/00localcharacter/balkanizacija, balkan beats & levantin dub/19. 17 hippies – schattenmann.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  174
                                           'genre'  loc-style-gypsy or balkan or klezmer;mi-brass
                                        'filesize'  5597010
                                           'mtime'  1620530157
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter balkanizacija, balkan beats & levantin dub 19. hippies – schattenmann loc style gypsy or balkan or klezmer;mi brass
                                      'tag_artist'  17 Hippies
                                     'tag_release'  Balkanizacija: BalkanBeat i LevantianDub
                                       'tag_title'  Schattenmann
                                             'bpm'  98.262
                                    'search_title'  'schattenmann':1
                                   'search_artist'  'hippies':1
                                  'search_release'  'balkan':6 'balkanbeat':3 'balkanizacija':1,2 'beat':7 'dub':9 'i':4 'levantian':8 'levantiandub':5
                                     'search_rest'  '19':7,8 'balkan':3 'balkanizacija':1,2 'beats':4 'brass':19 'dub':6 'gypsy':13 'hippies':9 'klezmer':15,17 'levantin':5 'loc':11 'mi':16,18 'or':14 'schattenmann':10 'style':12
                                    'search_combo'  '19':18,19 'balkan':8C,14 'balkanbeat':5C 'balkanizacija':3C,4C,12,13 'beat':9C 'beats':15 'brass':30 'dub':11C,17 'gypsy':24 'hippies':2B,20 'i':6C 'klezmer':26,28 'levantian':10C 'levantiandub':7C 'levantin':16 'loc':22 'mi':27,29 'or':25 'schattenmann':1A,21 'style':23
                                    'tag_tracknum'  19
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['folk', 'gypsy', 'klezmer', 'german', 'world music']
                                        'tag_date'  2007
                                     'discogstags'  ['folk, world, & country']

============================== file details ==============================
                                           'mtime'  1620530156.8185987  (2021-05-09 05:15:56)
                             'size'  5597010