======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '437'
                                          'artist'  'mahmut orhan'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'ceiron (christos fourkis mix)'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', "
 "'q-vocals-1']")
                                      'lastfmtags'  "['turkish', 'house', 'turkey', 'deep house', 'personal favourites']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '124.9'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '124.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TIT2' (Title/songname/content description)         'ceiron (christos fourkis mix)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'mahmut orhan'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['turkish', 'house', 'turkey', 'deep house', 'personal favourites']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.96 dB'
'TXXX:replaygain_track_peak'                        '0.621858'

========================== row from database ==========================
                                              'id'  1314889
                                            'path'  /data/Music/Bulk/00poprockelectronic/deep house/mahmut orhan - ceiron (christos fourkis mix).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  437
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  17499589
                                           'mtime'  1621085304
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic deep house electronic th techno minimal deephouse
                                      'tag_artist'  mahmut orhan
                                     'tag_release'  None
                                       'tag_title'  ceiron (christos fourkis mix)
                                             'bpm'  124.9
                                    'search_title'  'ceiron':1 'christos':2,3 'fourkis':4 'mix':5,6
                                   'search_artist'  'mahmut':1 'orhan':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'deep':2 'deephouse':8 'electronic':4 'house':3 'minimal':7 'techno':6 'th':5
                                    'search_combo'  '00poprockelectronic':9 'ceiron':1A 'christos':2A,3A 'deep':10 'deephouse':16 'electronic':12 'fourkis':4A 'house':11 'mahmut':7B 'minimal':15 'mix':5A,6A 'orhan':8B 'techno':14 'th':13
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-3', '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-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['turkish', 'house', 'turkey', 'deep house', 'personal favourites']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621085304.4651005  (2021-05-15 15:28:24)
                             'size'  17499589