======================== unified (from filesystem) ========================
                                         'bitrate'  '107.834'
                                        'duration'  '336'
                                          'artist'  'Mammane Sani et son Orgue'
                                     'text_people'  ''
                                         'release'  'Dimitri - Soul'
                                           'title'  'Lidda'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'Q-SYN-2', 'Q-BUSY-2', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-2', "
 "'Q-CHART-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['minimal synth', 'minimal wave', 'niger', 'electronic', 'minimal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'funk or soul'
                                             'bpm'  '93.5'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dimitri - Soul'
'TBPM' (BPM (beats per minute))                     '93.5'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul'
'TIT2' (Title/songname/content description)         'Lidda'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mammane Sani et son Orgue'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf58.45.100'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['minimal synth', 'minimal wave', 'niger', 'electronic', 'minimal']
'TXXX:q-bass'                                       '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.79 dB'
'TXXX:replaygain_track_peak'                        '0.483131'
'TXXX:youtube'                                      'L3dmmONX5sw'

========================== row from database ==========================
                                              'id'  1477429
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Dimitri/Soul/Mammane Sani et son Orgue - Lidda-L3dmmONX5sw.mp3
                                         'working'  None
                                         'bitrate'  107
                                    'duration_sec'  336
                                           'genre'  funk or soul
                                        'filesize'  4535802
                                           'mtime'  1628357633
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm L3dmmONX5sw funk or soul
                                      'tag_artist'  Mammane Sani et son Orgue
                                     'tag_release'  Dimitri - Soul
                                       'tag_title'  Lidda
                                             'bpm'  93.5
                                    'search_title'  'lidda':1
                                   'search_artist'  'et':3 'mammane':1 'orgue':5 'sani':2 'son':4
                                  'search_release'  'dimitri':1 'soul':2
                                     'search_rest'  'funk':2 'l3dmm':5 'l3dmmonx5sw':1 'onx5sw':6 'or':3 'soul':4
                                    'search_combo'  'dimitri':7C 'et':4B 'funk':10 'l3dmm':13 'l3dmmonx5sw':9 'lidda':1A 'mammane':2B 'onx5sw':14 'or':11 'orgue':6B 'sani':3B 'son':5B 'soul':8C,12
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-CHART-2', 'q-drums-1', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-2', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-2']
                                      'lastfmtags'  ['minimal synth', 'minimal wave', 'niger', 'electronic', 'minimal']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357632.8386436  (2021-08-07 19:33:52)
                             'size'  4535802