======================== unified (from filesystem) ========================
                                         'bitrate'  '189.726'
                                        'duration'  '89'
                                          'artist'  'M. A. Numminen'
                                     'text_people'  ''
                                         'release'  'Den Eviga Ergengen'
                                           'title'  '10 - Att Cykla Ar Nodvandigt'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'Q-PIANO-3', 'q-chart-2', 'q-drums-2', 'q-other-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['finnish', 'experimental', 'avant-garde', 'avantgarde', 'weird']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-eur-northern-finland'
                                             'bpm'  '94.196'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Den Eviga Ergengen'
'TBPM' (BPM (beats per minute))                     '94.196'
'TCON' (Content type, a.k.a. Genre)                 'loc-eur-northern-finland'
'TIT2' (Title/songname/content description)         '10 - Att Cykla Ar Nodvandigt'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'M. A. Numminen'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['finnish', 'experimental', 'avant-garde', 'avantgarde', 'weird']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.42 dB'
'TXXX:replaygain_track_peak'                        '0.619928'

========================== row from database ==========================
                                              'id'  1490856
                                            'path'  /data/Music/Bulk/00localcharacter/00mid-north-europe/00scandinavia/M.A. Numminen/1990 - M.A. Numminen - Den eviga årgången ~ M.A. Numminens bästa (Amigo) [VBR]/10 - Att Cykla Är Nödvändigt.mp3
                                         'working'  None
                                         'bitrate'  189
                                    'duration_sec'  89
                                           'genre'  loc-eur-northern-finland
                                        'filesize'  2129792
                                           'mtime'  1621629452
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00mid north europe 00scandinavia M.A. 1990 M.A. eviga årgången ~ M.A. Numminens bästa (Amigo) [VBR] Är Nödvändigt loc eur northern finland
                                      'tag_artist'  M. A. Numminen
                                     'tag_release'  Den Eviga Ergengen
                                       'tag_title'  10 - Att Cykla Ar Nodvandigt
                                             'bpm'  94.196
                                    'search_title'  'ar':3 'att':1 'cykla':2 'nodvandigt':4
                                   'search_artist'  'a':3,4 'm':1,2 'numminen':5
                                  'search_release'  'den':1 'ergengen':3 'eviga':2
                                     'search_rest'  '00mid':1 '00scandinavia':4 '1990':8 'a':6 'amigo':15,16 'ar':19,20 'argangen':10,11 'basta':13,14 'eur':24 'europe':3 'eviga':9 'finland':26 'loc':23 'm':5 'ma':7 'nodvandigt':21,22 'north':2 'northern':25 'numminens':12 'vbr':17,18
                                    'search_combo'  '00mid':13 '00scandinavia':16 '1990':20 'a':7B,8B,18 'amigo':27,28 'ar':3A,31,32 'argangen':22,23 'att':1A 'basta':25,26 'cykla':2A 'den':10C 'ergengen':12C 'eur':36 'europe':15 'eviga':11C,21 'finland':38 'loc':35 'm':5B,6B,17 'ma':19 'nodvandigt':4A,33,34 'north':14 'northern':37 'numminen':9B 'numminens':24 'vbr':29,30
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['finnish', 'experimental', 'avant-garde', 'avantgarde', 'weird']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621629451.8165634  (2021-05-21 22:37:31)
                             'size'  2129792