======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '227'
                                          'artist'  'Gabi Lunca'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Nu stiu ce-i cu norocu'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['traditional', 'romanian', 'romania', 'folk', 'lautari music']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-style-gypsy or balkan or klezmer;mi-brass;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '145.580'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '145.580'
'TCON' (Content type, a.k.a. Genre)                 ['loc-style-gypsy or balkan or klezmer',
 'mi-brass',
 'set-pl-shirleyspinoza',
 'set-pl-mor']
'TIT2' (Title/songname/content description)         'Nu stiu ce-i cu norocu'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Gabi Lunca'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['traditional', 'romanian', 'romania', 'folk', 'lautari music']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.46 dB'
'TXXX:replaygain_track_peak'                        '0.691061'

========================== row from database ==========================
                                              'id'  653971
                                            'path'  /data/Music/Bulk/00localcharacter/gabi lunca - doua mame pentru-o fata/02 nu stiu ce-i cu norocu.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  227
                                           'genre'  loc-style-gypsy or balkan or klezmer;mi-brass;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  3638251
                                           'mtime'  1620530343
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter gabi lunca doua mame pentru fata 02 nu loc style gypsy balkan klezmer;mi brass;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Gabi Lunca
                                     'tag_release'  None
                                       'tag_title'  Nu stiu ce-i cu norocu
                                             'bpm'  145.58
                                    'search_title'  'ce':3 'cei':5 'cu':6 'i':4 'norocu':7 'nu':1 'stiu':2
                                   'search_artist'  'gabi':1 'lunca':2
                                  'search_release'  
                                     'search_rest'  'balkan':11 'brass':16,18 'doua':3 'fata':6 'gabi':1 'gypsy':10 'klezmer':12,14 'loc':8 'lunca':2 'mame':4 'mi':13,15 'mor':25 'nu':7 'pentru':5 'pl':20 'set':17,19,22,24 'shirleyspinoza':21,23 'style':9
                                    'search_combo'  'balkan':20 'brass':25,27 'ce':3A 'cei':5A 'cu':6A 'doua':12 'fata':15 'gabi':8B,10 'gypsy':19 'i':4A 'klezmer':21,23 'loc':17 'lunca':9B,11 'mame':13 'mi':22,24 'mor':34 'norocu':7A 'nu':1A,16 'pentru':14 'pl':29 'set':26,28,31,33 'shirleyspinoza':30,32 'stiu':2A 'style':18
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['traditional', 'romanian', 'romania', 'folk', 'lautari music']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620530342.687088  (2021-05-09 05:19:02)
                             'size'  3638251