======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '123'
                                          'artist'  'Mando Diao'
                                     'text_people'  ''
                                         'release'  "Bring 'Em In"
                                           'title'  'Sweet Ride'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['swedish', 'garage rock', 'indie rock', 'indie', 'rock', 'alternative']"
                                     'discogstags'  "['rock', 'garage rock', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'rock-pop'
                                             'bpm'  '145.371'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Bring 'Em In"
'TBPM' (BPM (beats per minute))                     '145.371'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Sweet Ride'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Mando Diao'
'TRCK' (Track number/Position in set)               '02'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'garage rock', 'pop rock']
'TXXX:lastfmtags'                                   ['swedish', 'garage rock', 'indie rock', 'indie', 'rock', 'alternative']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.77 dB'
'TXXX:replaygain_track_peak'                        '0.343736'

========================== row from database ==========================
                                              'id'  1346457
                                            'path'  /data/Music/Bulk/00poprockelectronic/swedish rock/Mando Diao - Sweet RideRe1.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  123
                                           'genre'  rock-pop
                                        'filesize'  1980288
                                           'mtime'  1678465028
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic swedish rock RideRe1 rock pop
                                      'tag_artist'  Mando Diao
                                     'tag_release'  Bring 'Em In
                                       'tag_title'  Sweet Ride
                                             'bpm'  145.371
                                    'search_title'  'ride':2 'sweet':1
                                   'search_artist'  'diao':2 'mando':1
                                  'search_release'  'bring':1 'em':2,3 'in':4
                                     'search_rest'  '00poprockelectronic':1 'pop':5 're1':7 'ride':6 'ridere1':4 'rock':3 'swedish':2
                                    'search_combo'  '00poprockelectronic':9 'bring':5C 'diao':4B 'em':6C,7C 'in':8C 'mando':3B 'pop':13 're1':15 'ride':2A,14 'ridere1':12 'rock':11 'swedish':10 'sweet':1A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']
                                      'lastfmtags'  ['swedish', 'garage rock', 'indie rock', 'indie', 'rock', 'alternative']
                                        'tag_date'  2003
                                     'discogstags'  ['rock', 'garage rock', 'pop rock']

============================== file details ==============================
                                           'mtime'  1678465027.8270953  (2023-03-10 17:17:07)
                             'size'  1980288