======================== unified (from filesystem) ========================
                                         'bitrate'  '255.969'
                                        'duration'  '214'
                                          'artist'  'O-Zone'
                                     'text_people'  ''
                                         'release'  "Party On: The Only Party Album You'll Ever Need"
                                           'title'  'Dragostea Din Tei'
                                           'quals'  ("['Q-SYN-3', 'Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dance', 'romanian', 'europop', 'pop', 'eurodance']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-th-ent-eurodance'
                                             'bpm'  '130.063'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Party On: The Only Party Album You'll Ever Need"
'TBPM' (BPM (beats per minute))                     '130.063'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-ent-eurodance'
'TIT2' (Title/songname/content description)         'Dragostea Din Tei'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'O-Zone'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-SYN'                                        '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['dance', 'romanian', 'europop', 'pop', 'eurodance']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+9.28 dB'
'TXXX:replaygain_track_peak'                        '0.138971'

========================== row from database ==========================
                                              'id'  1297453
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/In Grid !26 O-Zone - Dragostea din tei.mp3
                                         'working'  None
                                         'bitrate'  255
                                    'duration_sec'  214
                                           'genre'  electronic-th-ent-eurodance
                                        'filesize'  6867896
                                           'mtime'  1639511352
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] In Grid !26 din tei electronic th ent eurodance
                                      'tag_artist'  O-Zone
                                     'tag_release'  Party On: The Only Party Album You'll Ever Need
                                       'tag_title'  Dragostea Din Tei
                                             'bpm'  130.063
                                    'search_title'  'din':2 'dragostea':1 'tei':3
                                   'search_artist'  'o':1 'ozone':3 'zone':2
                                  'search_release'  'album':6 'ever':10 'll':8 'need':11 'on':2,3 'only':5 'party':1 'the':4 'you':7 'youll':9
                                     'search_rest'  '00poprockelectronic':1 '26':9 'din':10 'electronic':12 'ent':14 'eurodance':15 'files':5,6 'grid':8 'in':7 'loose':3,4 'tei':11 'th':13 'unsorted':2
                                    'search_combo'  '00poprockelectronic':18 '26':26 'album':12C 'din':2A,27 'dragostea':1A 'electronic':29 'ent':31 'eurodance':32 'ever':16C 'files':22,23 'grid':25 'in':24 'll':14C 'loose':20,21 'need':17C 'o':4B 'on':8C,9C 'only':11C 'ozone':6B 'party':7C 'tei':3A,28 'th':30 'the':10C 'unsorted':19 'you':13C 'youll':15C 'zone':5B
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'Q-SYN-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'romanian', 'europop', 'pop', 'eurodance']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1639511352.0162296  (2021-12-14 20:49:12)
                             'size'  6867896