======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '226'
                                          'artist'  "Gigi d'Agostino"
                                     'text_people'  ''
                                         'release'  'title'
                                           'title'  'Sweetly'
                                           'quals'  ("['Q-SYN-3', 'Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'trance', 'techno', 'electronic', 'eurodance']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-th-ent-eurodance'
                                             'bpm'  '127.124'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'title'
'TBPM' (BPM (beats per minute))                     '127.124'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-ent-eurodance'
'TIT2' (Title/songname/content description)         'Sweetly'
'TKEY' (Initial key)                                '7A'
'TLEN' (Length)                                     '235000'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               "Gigi d'Agostino"
'TRCK' (Track number/Position in set)               '04'
'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:lastfmtags'                                   ['dance', 'trance', 'techno', 'electronic', 'eurodance']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.66 dB'
'TXXX:replaygain_track_peak'                        '0.578912'

========================== row from database ==========================
                                              'id'  1318622
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/techno - GG Dagostino - sweetly.mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  226
                                           'genre'  electronic-th-ent-eurodance
                                        'filesize'  2717710
                                           'mtime'  1639511356
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] techno GG Dagostino sweetly electronic th ent eurodance
                                      'tag_artist'  Gigi d'Agostino
                                     'tag_release'  title
                                       'tag_title'  Sweetly
                                             'bpm'  127.124
                                    'search_title'  'sweetly':1
                                   'search_artist'  'agostino':3 'd':2 'dagostino':4 'gigi':1
                                  'search_release'  'title':1
                                     'search_rest'  '00poprockelectronic':1 'dagostino':9 'electronic':11 'ent':13 'eurodance':14 'files':5,6 'gg':8 'loose':3,4 'sweetly':10 'techno':7 'th':12 'unsorted':2
                                    'search_combo'  '00poprockelectronic':7 'agostino':4B 'd':3B 'dagostino':5B,15 'electronic':17 'ent':19 'eurodance':20 'files':11,12 'gg':14 'gigi':2B 'loose':9,10 'sweetly':1A,16 'techno':13 'th':18 'title':6C 'unsorted':8
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-3', '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-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'trance', 'techno', 'electronic', 'eurodance']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1639511355.6737864  (2021-12-14 20:49:15)
                             'size'  2717710