======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '1328'
                                          'artist'  'Biosphere'
                                     'text_people'  'Geir Jenssen'
                                         'release'  'commissioned'
                                           'title'  'Micro Sound - Music For Insects'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'electronic', 'chillout', 'experimental', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '127.044'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunes_CDDB_1:eng'                            '4E11FB07+345441+7+150+99811+133601+161547+226797+255748+287541'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '1'
'TALB' (Album/Movie/Show title)                     'commissioned'
'TBPM' (BPM (beats per minute))                     '127.044'
'TCOM' (Composer)                                   'Geir Jenssen'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient'
'TDRC' (Recording time)                             '2002'
'TENC' (Encoded by)                                 'iTunes v2.0.4'
'TIT2' (Title/songname/content description)         'Micro Sound - Music For Insects'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Biosphere'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'chillout', 'experimental', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+7.35 dB'
'TXXX:replaygain_track_peak'                        '0.994902'

========================== row from database ==========================
                                              'id'  139842
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Biosphere, Bleep/Biosphere/www_biosphere_no/15 - Micro Sound - Music For Insects - 2002.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  1328
                                           'genre'  electronic-ambient
                                        'filesize'  31895162
                                           'mtime'  1636909917
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Biosphere, Bleep www_biosphere_no 15 2002 electronic ambient
                                      'tag_artist'  Biosphere
                                     'tag_release'  commissioned
                                       'tag_title'  Micro Sound - Music For Insects
                                             'bpm'  127.044
                                    'search_title'  'for':4 'insects':5 'micro':1 'music':3 'sound':2
                                   'search_artist'  'biosphere':1
                                  'search_release'  'commissioned':1
                                     'search_rest'  '2002':7 'ambient':9 'biosphere':1,2,5 'bleep':3 'electronic':8 'no':6 'www':4
                                    'search_combo'  '2002':14 'ambient':16 'biosphere':6B,8,9,12 'bleep':10 'commissioned':7C 'electronic':15 'for':4A 'insects':5A 'micro':1A 'music':3A 'no':13 'sound':2A 'www':11
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electronic', 'chillout', 'experimental', 'ambient']
                                        'tag_date'  2002
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636909916.5037699  (2021-11-14 18:11:56)
                             'size'  31895162